{"id":"https://openalex.org/W2061486920","doi":"https://doi.org/10.1097/00006454-200107000-00004","title":"Bacteriology of acute otitis media in a cohort of Finnish children followed for the first two years of life","display_name":"Bacteriology of acute otitis media in a cohort of Finnish children followed for the first two years of life","publication_year":2001,"publication_date":"2001-07-01","ids":{"openalex":"https://openalex.org/W2061486920","doi":"https://doi.org/10.1097/00006454-200107000-00004","mag":"2061486920","pmid":"https://pubmed.ncbi.nlm.nih.gov/11465836"},"language":"en","primary_location":{"id":"doi:10.1097/00006454-200107000-00004","doi":"https://doi.org/10.1097/00006454-200107000-00004","is_oa":false,"landing_page_url":"https://doi.org/10.1097/00006454-200107000-00004","pdf_url":null,"source":{"id":"https://openalex.org/S109369870","display_name":"The Pediatric Infectious Disease Journal","issn_l":"0891-3668","issn":["0891-3668","1532-0987"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Pediatric Infectious Disease Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5074159991","display_name":"Terhi M Kilpi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"TERHI KILPI","raw_affiliation_strings":["National Public  Health Institute, Helsinki, Finland","the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Public  Health Institute, Helsinki, Finland","institution_ids":[]},{"raw_affiliation_string":"the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111910282","display_name":"Elja Herva","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"ELJA HERVA","raw_affiliation_strings":["the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010892597","display_name":"Tarja Kaijalainen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"TARJA KAIJALAINEN","raw_affiliation_strings":["the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013703830","display_name":"Ritva Syrj\u00e4nen","orcid":"https://orcid.org/0000-0002-1077-6617","observed_orcids":["https://orcid.org/0000-0002-1077-6617"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"RITVA SYRJ\u00c4NEN","raw_affiliation_strings":["the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108430933","display_name":"Aino K. Takala","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"AINO K. TAKALA","raw_affiliation_strings":["the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"the National Public Health Institute (KTL), Helsinki (TK, EH, TK, RS, AKT), and Orion Pharma, Espoo (AKT), Finland","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":26.2296,"has_fulltext":false,"cited_by_count":299,"citation_normalized_percentile":{"value":0.99858022,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":87,"max":100},"biblio":{"volume":"20","issue":"7","first_page":"654","last_page":"662"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10861","display_name":"Ear Surgery and Otitis Media","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2733","display_name":"Otorhinolaryngology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10861","display_name":"Ear Surgery and Otitis Media","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2733","display_name":"Otorhinolaryngology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10654","display_name":"Pneumonia and Respiratory Infections","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12297","display_name":"Otolaryngology and Infectious Diseases","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/acute-otitis-media","display_name":"acute otitis media","score":1.0},{"id":"https://openalex.org/keywords/bacterial-etiology","display_name":"bacterial etiology","score":0.7070000171661377},{"id":"https://openalex.org/keywords/streptococcus-pneumoniae","display_name":"Streptococcus pneumoniae","score":0.9950000047683716},{"id":"https://openalex.org/keywords/moraxella-catarrhalis","display_name":"Moraxella catarrhalis","score":1.0},{"id":"https://openalex.org/keywords/haemophilus-influenzae","display_name":"Haemophilus influenzae","score":0.9959999918937683},{"id":"https://openalex.org/keywords/middle-ear-fluid","display_name":"middle ear fluid","score":0.7239999771118164},{"id":"https://openalex.org/keywords/recurrent-otitis-media","display_name":"recurrent otitis media","score":0.8109999895095825},{"id":"https://openalex.org/keywords/seasonal-variation","display_name":"seasonal variation","score":0.6679999828338623},{"id":"https://openalex.org/keywords/age-related-incidence","display_name":"age-related incidence","score":0.6380000114440918},{"id":"https://openalex.org/keywords/infants","display_name":"infants","score":0.5180000066757202},{"id":"https://openalex.org/keywords/finnish-children","display_name":"Finnish children","score":0.5299999713897705}],"concepts":[{"id":"https://openalex.org/C2776551000","wikidata":"https://www.wikidata.org/wiki/Q2046669","display_name":"Moraxella catarrhalis","level":4,"score":0.913977861404419},{"id":"https://openalex.org/C2781253189","wikidata":"https://www.wikidata.org/wiki/Q221179","display_name":"Streptococcus pneumoniae","level":3,"score":0.8133358955383301},{"id":"https://openalex.org/C2776925733","wikidata":"https://www.wikidata.org/wiki/Q1141979","display_name":"Haemophilus influenzae","level":3,"score":0.8073801398277283},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7587200403213501},{"id":"https://openalex.org/C2776408402","wikidata":"https://www.wikidata.org/wiki/Q2378102","display_name":"Myringotomy","level":3,"score":0.6453410387039185},{"id":"https://openalex.org/C61511704","wikidata":"https://www.wikidata.org/wiki/Q1671857","display_name":"Incidence (geometry)","level":2,"score":0.6434577107429504},{"id":"https://openalex.org/C2776439223","wikidata":"https://www.wikidata.org/wiki/Q480700","display_name":"Otitis","level":2,"score":0.6118524670600891},{"id":"https://openalex.org/C53162352","wikidata":"https://www.wikidata.org/wiki/Q243748","display_name":"Bacteriology","level":3,"score":0.5349987745285034},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.5034086108207703},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.4889017641544342},{"id":"https://openalex.org/C2908979688","wikidata":"https://www.wikidata.org/wiki/Q223254","display_name":"Acute otitis media","level":3,"score":0.48775655031204224},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.4758583903312683},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.2974153757095337},{"id":"https://openalex.org/C89423630","wikidata":"https://www.wikidata.org/wiki/Q7193","display_name":"Microbiology","level":1,"score":0.2458013892173767},{"id":"https://openalex.org/C501593827","wikidata":"https://www.wikidata.org/wiki/Q12187","display_name":"Antibiotics","level":2,"score":0.2264615297317505},{"id":"https://openalex.org/C523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","level":2,"score":0.16075780987739563},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.11662659049034119},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000208","descriptor_name":"Acute Disease","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000900","descriptor_name":"Anti-Bacterial Agents","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D001936","descriptor_name":"Moraxella catarrhalis","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":true},{"descriptor_ui":"D002675","descriptor_name":"Child, Preschool","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005387","descriptor_name":"Finland","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006192","descriptor_name":"Haemophilus Infections","qualifier_ui":"Q000382","qualifier_name":"microbiology","is_major_topic":true},{"descriptor_ui":"D006193","descriptor_name":"Haemophilus influenzae","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007223","descriptor_name":"Infant","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010033","descriptor_name":"Otitis Media","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":false},{"descriptor_ui":"D010033","descriptor_name":"Otitis Media","qualifier_ui":"Q000382","qualifier_name":"microbiology","is_major_topic":true},{"descriptor_ui":"D010033","descriptor_name":"Otitis Media","qualifier_ui":"Q000517","qualifier_name":"prevention & control","is_major_topic":false},{"descriptor_ui":"D011008","descriptor_name":"Pneumococcal Infections","qualifier_ui":"Q000382","qualifier_name":"microbiology","is_major_topic":true},{"descriptor_ui":"D012008","descriptor_name":"Recurrence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012703","descriptor_name":"Serotyping","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013296","descriptor_name":"Streptococcus pneumoniae","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":true},{"descriptor_ui":"D013396","descriptor_name":"Suction","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D015331","descriptor_name":"Cohort Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016870","descriptor_name":"Neisseriaceae Infections","qualifier_ui":"Q000382","qualifier_name":"microbiology","is_major_topic":true},{"descriptor_ui":"D022242","descriptor_name":"Pneumococcal Vaccines","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1097/00006454-200107000-00004","doi":"https://doi.org/10.1097/00006454-200107000-00004","is_oa":false,"landing_page_url":"https://doi.org/10.1097/00006454-200107000-00004","pdf_url":null,"source":{"id":"https://openalex.org/S109369870","display_name":"The Pediatric Infectious Disease Journal","issn_l":"0891-3668","issn":["0891-3668","1532-0987"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Pediatric Infectious Disease Journal","raw_type":"journal-article"},{"id":"pmid:11465836","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11465836","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Pediatric infectious disease journal","raw_type":"Journal Article"},{"id":"pmh:oai:www.julkari.fi:10024/83735","doi":null,"is_oa":false,"landing_page_url":"http://www.julkari.fi/handle/10024/83735","pdf_url":null,"source":{"id":"https://openalex.org/S4306402058","display_name":"STM:n Hallinnonalan avoin julkaisuarkisto (Julkari)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"A"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":1.0}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320323422","display_name":"National Taiwan University Hospital","ror":"https://ror.org/03nteze27"},{"id":"https://openalex.org/F4320337376","display_name":"NIH Clinical Center","ror":"https://ror.org/04vfsmv21"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W129762789","https://openalex.org/W1542733275","https://openalex.org/W1967186914","https://openalex.org/W1982951851","https://openalex.org/W1988177877","https://openalex.org/W1994155662","https://openalex.org/W2000722888","https://openalex.org/W2001956321","https://openalex.org/W2005512466","https://openalex.org/W2006845246","https://openalex.org/W2007851903","https://openalex.org/W2016852893","https://openalex.org/W2043566531","https://openalex.org/W2050757819","https://openalex.org/W2056799858","https://openalex.org/W2059608310","https://openalex.org/W2080949761","https://openalex.org/W2081382710","https://openalex.org/W2082789386","https://openalex.org/W2090865013","https://openalex.org/W2100212030","https://openalex.org/W2105252692","https://openalex.org/W2105818435","https://openalex.org/W2117722246","https://openalex.org/W2137939497","https://openalex.org/W2141825831","https://openalex.org/W2159189010","https://openalex.org/W2320378511","https://openalex.org/W2332648439","https://openalex.org/W2334617475","https://openalex.org/W2402601377","https://openalex.org/W3024388518","https://openalex.org/W4206480018"],"related_works":["https://openalex.org/W4391754654","https://openalex.org/W2439615693","https://openalex.org/W2018929690","https://openalex.org/W2063025871","https://openalex.org/W3176492856","https://openalex.org/W2046346452","https://openalex.org/W7074040947","https://openalex.org/W2408493710","https://openalex.org/W7169507614","https://openalex.org/W2044210128"],"abstract_inverted_index":{"BACKGROUND:":[0],"Timely":[1],"information":[2],"on":[3,189,191],"the":[4,22,34,68,76,138,144,175,186,209,215],"bacteriology":[5],"of":[6,21,26,33,36,45,58,128,135,140,174,212,217],"primary,":[7],"noncomplicated":[8],"acute":[9],"otitis":[10],"media":[11],"(AOM)":[12],"may":[13],"today":[14],"be":[15,208],"needed":[16],"more":[17],"than":[18,164],"ever,":[19],"because":[20,32],"increasing":[23,220],"antimicrobial":[24],"resistance":[25],"its":[27],"major":[28],"bacterial":[29,41,88],"causes":[30],"and":[31,39,64,81,118,150,166,196,221],"potential":[35],"new":[37],"pneumococcal":[38],"other":[40],"vaccines":[42],"for":[43,87],"prevention":[44],"AOM.":[46,168,204,228],"METHODS:":[47],"The":[48,126],"study":[49,69],"followed":[50],"329":[51],"children":[52],"from":[53,100,185],"2":[54,177],"to":[55,207],"24":[56],"months":[57,134,149],"age":[59],"at":[60,67,132,147,153],"scheduled":[61],"healthy":[62],"visits":[63,66],"sick":[65],"clinic.":[70],"Whenever":[71],"AOM":[72,102,130,142,152,157,178],"was":[73,79,85,98,107,170],"diagnosed":[74],"during":[75],"follow-up,":[77],"myringotomy":[78],"performed":[80],"middle":[82,94],"ear":[83,95],"fluid":[84,96],"aspirated":[86],"culture.":[89],"RESULTS:":[90],"At":[91],"least":[92],"one":[93],"sample":[97],"available":[99],"772":[101],"events;":[103],"Streptococcus":[104],"pneumoniae":[105],"(Pnc)":[106],"isolated":[108],"in":[109,115,122,162,203],"201":[110],"(26%),":[111],"Moraxella":[112],"catarrhalis":[113],"(Mc)":[114],"177":[116],"(23%)":[117],"Haemophilus":[119],"influenzae":[120],"(Hi)":[121],"174":[123],"events":[124],"(23%).":[125],"incidence":[127,139],"Pnc":[129,156,205],"peaked":[131],"12":[133],"age,":[136],"whereas":[137],"Mc":[141,165,195,218],"showed":[143,158],"first":[145,176],"peak":[146],"6":[148],"Hi":[151,167,169,197,222],"20":[154],"months.":[155],"less":[159],"prominent":[160],"seasonality":[161],"occurrence":[163],"a":[171],"rare":[172],"cause":[173],"episodes":[179],"(13%)":[180],"but":[181],"became":[182],"increasingly":[183],"common":[184,201],"third":[187],"episode":[188],"(32%":[190],"average).":[192],"CONCLUSIONS:":[193],"Pnc,":[194],"were":[198],"almost":[199],"equally":[200],"findings":[202],"seems":[206],"most":[210],"pathogenic":[211],"these":[213],"three,":[214],"role":[216],"is":[219,223],"clearly":[224],"associated":[225],"with":[226],"recurrent":[227]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":11},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":17},{"year":2013,"cited_by_count":13},{"year":2012,"cited_by_count":16}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
