{"id":"https://openalex.org/W382944977","doi":null,"title":"Anaemia in patients with rheumatoid arthritis at the Kenyatta National Hospital, Nairobi, Kenya","display_name":"Anaemia in patients with rheumatoid arthritis at the Kenyatta National Hospital, Nairobi, Kenya","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W382944977","mag":"382944977"},"language":"en","primary_location":{"id":"pmh:oai:ajol.info:article/117384","doi":null,"is_oa":true,"landing_page_url":"https://www.ajol.info/index.php/ajr/article/view/117384","pdf_url":null,"source":{"id":"https://openalex.org/S4212762998","display_name":"African journal of rheumatology","issn_l":"2307-2482","issn":["2307-2482"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["jpps-2"],"host_organization":"https://openalex.org/P4310321518","host_organization_name":"African Journals OnLine","host_organization_lineage":["https://openalex.org/P4310321518"],"host_organization_lineage_names":["African Journals OnLine"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2307-2482","raw_type":"info:eu-repo/semantics/article"},"volume":null,"type":"article","indexed_in":[],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.ajol.info/index.php/ajr/article/view/117384","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025085412","display_name":"GM Muia","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"GM Muia","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112635490","display_name":"GO Oyoo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"GO Oyoo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113588631","display_name":"GW Kitonyi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"GW Kitonyi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5110688854","display_name":"Peter Wanzala","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Peter Wanzala","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00548733,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":"1","first_page":"27","last_page":"33"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10200","display_name":"Rheumatoid Arthritis Research and Therapies","score":0.9678000211715698,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T10200","display_name":"Rheumatoid Arthritis Research and Therapies","score":0.9678000211715698,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T10452","display_name":"Iron Metabolism and Disorders","score":0.018400000408291817,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"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/T11616","display_name":"Autoimmune and Inflammatory Disorders Research","score":0.0027000000700354576,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"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/rheumatoid-arthritis","display_name":"rheumatoid arthritis","score":0.9070000052452087},{"id":"https://openalex.org/keywords/anemia","display_name":"anemia","score":0.9620000123977661},{"id":"https://openalex.org/keywords/anemia-of-chronic-disease","display_name":"anemia of chronic disease","score":0.9390000104904175},{"id":"https://openalex.org/keywords/iron-deficiency-anemia","display_name":"iron deficiency anemia","score":0.9990000128746033},{"id":"https://openalex.org/keywords/disease-activity","display_name":"disease activity","score":0.9259999990463257},{"id":"https://openalex.org/keywords/prevalence","display_name":"prevalence","score":0.5820000171661377},{"id":"https://openalex.org/keywords/hemoglobin","display_name":"hemoglobin","score":0.7179999947547913},{"id":"https://openalex.org/keywords/methotrexate","display_name":"methotrexate","score":0.8659999966621399},{"id":"https://openalex.org/keywords/nonsteroidal-anti-inflammatory-drugs","display_name":"nonsteroidal anti-inflammatory drugs","score":0.8109999895095825},{"id":"https://openalex.org/keywords/extra-articular-manifestations","display_name":"extra-articular manifestations","score":0.7850000262260437},{"id":"https://openalex.org/keywords/kenya","display_name":"Kenya","score":0.5929999947547913},{"id":"https://openalex.org/keywords/sub-saharan-africa","display_name":"sub-Saharan Africa","score":0.5460000038146973},{"id":"https://openalex.org/keywords/quality-of-life","display_name":"quality of life","score":0.6650000214576721}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9687128663063049},{"id":"https://openalex.org/C2777575956","wikidata":"https://www.wikidata.org/wiki/Q187255","display_name":"Rheumatoid arthritis","level":2,"score":0.7825484275817871},{"id":"https://openalex.org/C2777489490","wikidata":"https://www.wikidata.org/wiki/Q684924","display_name":"Rheumatism","level":2,"score":0.7571927309036255},{"id":"https://openalex.org/C198451711","wikidata":"https://www.wikidata.org/wiki/Q327657","display_name":"Rheumatology","level":2,"score":0.6335169672966003},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.599187433719635},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5317187309265137},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.4234508275985718},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:ajol.info:article/117384","doi":null,"is_oa":true,"landing_page_url":"https://www.ajol.info/index.php/ajr/article/view/117384","pdf_url":null,"source":{"id":"https://openalex.org/S4212762998","display_name":"African journal of rheumatology","issn_l":"2307-2482","issn":["2307-2482"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["jpps-2"],"host_organization":"https://openalex.org/P4310321518","host_organization_name":"African Journals OnLine","host_organization_lineage":["https://openalex.org/P4310321518"],"host_organization_lineage_names":["African Journals OnLine"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2307-2482","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:http://erepository.uonbi.ac.ke:11295/96787","doi":null,"is_oa":true,"landing_page_url":"http://www.ajol.info/index.php/ajr/article/view/117384","pdf_url":null,"source":{"id":"https://openalex.org/S4306402107","display_name":"University of Nairobi Research Archive (University of Nairobi)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I12859529","host_organization_name":"University of Nairobi","host_organization_lineage":["https://openalex.org/I12859529"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"mag:382944977","doi":null,"is_oa":true,"landing_page_url":"http://erepository.uonbi.ac.ke/handle/11295/96787","pdf_url":null,"source":{"id":"https://openalex.org/S4212762998","display_name":"African journal of rheumatology","issn_l":"2307-2482","issn":["2307-2482"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["jpps-2"],"host_organization":"https://openalex.org/P4310321518","host_organization_name":"African Journals OnLine","host_organization_lineage":["https://openalex.org/P4310321518"],"host_organization_lineage_names":["African Journals OnLine"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"African journal of rheumatology","raw_type":null}],"best_oa_location":{"id":"pmh:oai:ajol.info:article/117384","doi":null,"is_oa":true,"landing_page_url":"https://www.ajol.info/index.php/ajr/article/view/117384","pdf_url":null,"source":{"id":"https://openalex.org/S4212762998","display_name":"African journal of rheumatology","issn_l":"2307-2482","issn":["2307-2482"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["jpps-2"],"host_organization":"https://openalex.org/P4310321518","host_organization_name":"African Journals OnLine","host_organization_lineage":["https://openalex.org/P4310321518"],"host_organization_lineage_names":["African Journals OnLine"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2307-2482","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W100788419","https://openalex.org/W4251917665","https://openalex.org/W3139352877","https://openalex.org/W2983028422","https://openalex.org/W3119192196","https://openalex.org/W4379798364","https://openalex.org/W2601076680","https://openalex.org/W2328743226","https://openalex.org/W2050266861","https://openalex.org/W4297991624"],"abstract_inverted_index":{"Anaemia":[0,11,290,306,315,341,418,426],"is":[1,12,25,30,400,411,430],"the":[2,21,41,46,52,55,64,71,74,78,95,110,128,148,193,209,212,225,229,236,266,284,299,313,320,331,350,354,360,388,423,431,445],"commonest":[3,432],"extra":[4],"articular":[5],"manifestation":[6],"of":[7,16,43,57,113,163,187,192,202,208,215,235,260,265,281,291,298,301,312,330,365,390,394,404,427,436,442,452],"Rheumatoid":[8],"Arthritis":[9],"(RA).":[10],"an":[13],"independent":[14],"predictor":[15],"morbidity":[17],"and":[18,37,54,69,106,324,335,353,392,396],"mortality":[19],"in":[20,40,45,59,100,160,228,283,310,406],"population.":[22],"When":[23],"RA":[24,62,123,216,407,455],"complicated":[26],"by":[27],"anaemia":[28,58,72,282,302,405,443],"it":[29,410],"associated":[31,439],"with":[32,61,73,179,199,257,289,322,357,422,440,454,460],"a":[33,161,180,258,401,449],"more":[34,218],"severe":[35,461],"disease":[36,75,270,277,326,337,351,424,429],"significant":[38,385],"reduction":[39,441],"quality":[42],"life":[44],"affected":[47],"patient.":[48],"\\nObjectives:":[49],"To":[50],"determine":[51],"characteristics":[53],"prevalence":[56,280],"patients":[60,157,210,237,267,321,332,408,453],"at":[63],"Kenyatta":[65,101],"National":[66,102],"Hospital":[67,103],"(KNH)":[68],"correlate":[70],"activity":[76,271,327,352],"using":[77],"Modified":[79],"Disease":[80,293,366],"Activity":[81],"Score":[82],"28":[83],"(MDAS28).":[84],"\\nDesign:":[85],"A":[86],"cross":[87],"sectional":[88],"descriptive":[89],"study.":[90,129],"\\nMethods:":[91],"Patients":[92],"presenting":[93],"to":[94,127,139,182,345,349,374,377,414],"Rheumatology":[96],"Outpatients":[97],"Clinic":[98],"(ROPC)":[99],"were":[104,124,158,171,176,238,243],"screened":[105],"those":[107],"who":[108],"met":[109],"American":[111],"College":[112],"Rheumatology-":[114],"European":[115],"League":[116],"Against":[117],"Rheumatism":[118],"(ACR-EULAR)":[119],"diagnostic":[120],"criteria":[121],"for":[122,217,296],"consecutively":[125],"recruited":[126],"The":[130,189,251,279,363,379,434],"study":[131,194,285,380],"period":[132],"was":[133,145,152,196,254,287,308,316,342,372,438],"6":[134],"months":[135,165],"from":[136],"September":[137],"2011":[138,167],"March":[140],"2012.":[141],"Consecutive":[142],"sampling":[143],"technique":[144],"applied":[146],"until":[147],"desired":[149],"sample":[150],"size":[151],"achieved.":[153],"\\nResults:":[154],"Ninety":[155],"seven":[156],"studied":[159],"span":[162],"six":[164],"(September":[166],"\u2013March":[168],"2012).":[169],"Females":[170],"84":[172],"(86.6%)":[173],"while":[174,222,241,272,303],"males":[175,358],"13":[177],"(13.4%)":[178],"male":[181],"female":[183],"(M:":[184],"F)":[185],"ratio":[186],"1:6.8.":[188],"mean":[190,252],"age":[191,200],"population":[195,286],"50.7":[197],"years":[198],"range":[201,259],"18-88":[203],"years.":[204,232],"Seventy":[205],"nine":[206],"percent":[207,234,264],"had":[211,224,268,275,339],"clinical":[213],"features":[214],"than":[219],"one":[220],"year":[221],"69%":[223],"diagnosis":[226],"made":[227],"last":[230],"five":[231],"Eighty":[233],"on":[239,244,333],"methotrexate":[240],"72%":[242],"Non":[245],"Steroidal":[246],"Anti":[247,368],"Inflammatory":[248],"Drugs":[249,370],"(NSAIDS).":[250],"haemoglobin":[253],"12.4":[255],"g/dl":[256],"3-15.7g/dl.":[261],"Thirty":[262],"three":[263],"high":[269,323,402],"57":[273],"(58.8%)":[274],"moderate":[276,325],"score.":[278],"33%":[288],"Chronic":[292],"(ACD)":[294],"responsible":[295],"75%":[297],"cases":[300],"Iron":[304],"Deficiency":[305],"(IDA)":[307],"seen":[309,318],"25%":[311],"cases.":[314],"commonly":[317],"among":[319,444],"scores.":[328],"None":[329],"remission":[334],"low":[336],"scores":[338],"anaemia.":[340,378,462],"also":[343],"found":[344,373],"be":[346],"independently":[347],"related":[348],"patient\u2019s":[355],"gender":[356],"being":[359],"most":[361],"affected.":[362],"use":[364,389,393,435],"Modifying":[367],"Rheumatic":[369],"(DMARDS)":[371],"confer":[375],"protection":[376],"did":[381],"not":[382],"demonstrate":[383],"any":[384],"association":[386],"between":[387],"NSAIDs":[391],"steroids":[395],"IDA.":[397],"\\nConclusions:":[398],"There":[399],"burden":[403],"although":[409],"lower":[412],"compared":[413],"studies":[415],"done":[416],"elsewhere.":[417],"correlates":[419],"very":[420],"well":[421],"activity.":[425],"chronic":[428],"type.":[433],"DMARDs":[437],"patients.":[446],"Men":[447],"form":[448],"small":[450],"percentage":[451],"locally":[456],"but":[457],"do":[458],"present":[459]},"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}