{"id":"https://openalex.org/W3207346682","doi":"https://doi.org/10.1002/sim.9230","title":"MOVER confidence intervals for a difference or ratio effect parameter under stratified sampling","display_name":"MOVER confidence intervals for a difference or ratio effect parameter under stratified sampling","publication_year":2021,"publication_date":"2021-10-20","ids":{"openalex":"https://openalex.org/W3207346682","doi":"https://doi.org/10.1002/sim.9230","mag":"3207346682","pmid":"https://pubmed.ncbi.nlm.nih.gov/34672008"},"language":"en","primary_location":{"id":"doi:10.1002/sim.9230","doi":"https://doi.org/10.1002/sim.9230","is_oa":false,"landing_page_url":"https://doi.org/10.1002/sim.9230","pdf_url":null,"source":{"id":"https://openalex.org/S55189604","display_name":"Statistics in Medicine","issn_l":"0277-6715","issn":["0277-6715","1097-0258"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","cwts-core","doyens","jufo-2","ki-jl-2","medline","norway-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Statistics in Medicine","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["arxiv","crossref","datacite","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2110.12636","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Yongqiang Tang","orcid":"https://orcid.org/0000-0002-8997-8421","observed_orcids":["https://orcid.org/0000-0002-8997-8421"]},"institutions":[{"id":"https://openalex.org/I4210157443","display_name":"Grifols (United States)","ror":"https://ror.org/05fvbww60","country_code":"US","type":"company","lineage":["https://openalex.org/I4210126725","https://openalex.org/I4210157443"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yongqiang Tang","raw_affiliation_strings":["Department of Biometrics Grifols  Durham North Carolina USA"],"raw_orcid":"https://orcid.org/0000-0002-8997-8421","affiliations":[{"raw_affiliation_string":"Department of Biometrics Grifols  Durham North Carolina USA","institution_ids":["https://openalex.org/I4210157443"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210157443"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":0.7349,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.73721623,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"41","issue":"1","first_page":"194","last_page":"207"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11235","display_name":"Statistical Methods in Clinical Trials","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11235","display_name":"Statistical Methods in Clinical Trials","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10243","display_name":"Statistical Methods and Bayesian Inference","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13500","display_name":"Probability and Statistical Research","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/movers","display_name":"movers","score":0.6700000166893005},{"id":"https://openalex.org/keywords/confidence-intervals","display_name":"confidence intervals","score":0.699999988079071},{"id":"https://openalex.org/keywords/stratified-sampling","display_name":"stratified sampling","score":0.9300000071525574},{"id":"https://openalex.org/keywords/risk-difference","display_name":"risk difference","score":0.7829999923706055},{"id":"https://openalex.org/keywords/relative-risk","display_name":"relative risk","score":1.0},{"id":"https://openalex.org/keywords/restricted-mean-survival-time","display_name":"restricted mean survival time","score":0.9440000057220459},{"id":"https://openalex.org/keywords/time-to-event-endpoints","display_name":"time-to-event outcomes","score":0.8840000033378601},{"id":"https://openalex.org/keywords/binary-outcomes","display_name":"binary outcomes","score":0.7580000162124634},{"id":"https://openalex.org/keywords/covariate-imbalance","display_name":"covariate imbalance","score":0.7350000143051147}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7595999836921692},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.7488999962806702},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.7139000296592712},{"id":"https://openalex.org/C119043178","wikidata":"https://www.wikidata.org/wiki/Q320723","display_name":"Covariate","level":2,"score":0.7053999900817871},{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.5752000212669373},{"id":"https://openalex.org/C129848803","wikidata":"https://www.wikidata.org/wiki/Q2564360","display_name":"Sample size determination","level":2,"score":0.5187000036239624},{"id":"https://openalex.org/C41426520","wikidata":"https://www.wikidata.org/wiki/Q1192065","display_name":"Point estimation","level":2,"score":0.4790000021457672},{"id":"https://openalex.org/C2993021520","wikidata":"https://www.wikidata.org/wiki/Q175199","display_name":"Sample variance","level":3,"score":0.42419999837875366},{"id":"https://openalex.org/C18747219","wikidata":"https://www.wikidata.org/wiki/Q620994","display_name":"Standard error","level":2,"score":0.397599995136261},{"id":"https://openalex.org/C2776292839","wikidata":"https://www.wikidata.org/wiki/Q5179217","display_name":"Coverage probability","level":3,"score":0.39340001344680786},{"id":"https://openalex.org/C99476002","wikidata":"https://www.wikidata.org/wiki/Q42297","display_name":"Analysis of variance","level":2,"score":0.3853999972343445},{"id":"https://openalex.org/C168743327","wikidata":"https://www.wikidata.org/wiki/Q1826427","display_name":"Random effects model","level":3,"score":0.367900013923645},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.35929998755455017},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.35929998755455017},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.33500000834465027},{"id":"https://openalex.org/C971699","wikidata":"https://www.wikidata.org/wiki/Q1132714","display_name":"Delta method","level":3,"score":0.3255999982357025},{"id":"https://openalex.org/C49898467","wikidata":"https://www.wikidata.org/wiki/Q1517706","display_name":"Stratified sampling","level":2,"score":0.3154999911785126},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.30820000171661377},{"id":"https://openalex.org/C119340705","wikidata":"https://www.wikidata.org/wiki/Q1628597","display_name":"Analysis of covariance","level":2,"score":0.3061999976634979},{"id":"https://openalex.org/C105054674","wikidata":"https://www.wikidata.org/wiki/Q3707381","display_name":"Mean difference","level":3,"score":0.305400013923645},{"id":"https://openalex.org/C121117317","wikidata":"https://www.wikidata.org/wiki/Q4439221","display_name":"Credible interval","level":3,"score":0.303600013256073},{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.29100000858306885},{"id":"https://openalex.org/C2778067643","wikidata":"https://www.wikidata.org/wiki/Q166507","display_name":"Interval (graph theory)","level":2,"score":0.28630000352859497},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.2793999910354614},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.2782999873161316},{"id":"https://openalex.org/C44648626","wikidata":"https://www.wikidata.org/wiki/Q1049848","display_name":"Percentage point","level":2,"score":0.2759000062942505},{"id":"https://openalex.org/C2779190172","wikidata":"https://www.wikidata.org/wiki/Q4913888","display_name":"Binary data","level":3,"score":0.27090001106262207},{"id":"https://openalex.org/C154606282","wikidata":"https://www.wikidata.org/wiki/Q7048579","display_name":"Nominal level","level":3,"score":0.27000001072883606},{"id":"https://openalex.org/C205167067","wikidata":"https://www.wikidata.org/wiki/Q3300636","display_name":"Interval estimation","level":3,"score":0.26820001006126404},{"id":"https://openalex.org/C102959455","wikidata":"https://www.wikidata.org/wiki/Q7313954","display_name":"Repeated measures design","level":2,"score":0.2639000117778778},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.2635999917984009},{"id":"https://openalex.org/C120195587","wikidata":"https://www.wikidata.org/wiki/Q2138790","display_name":"Absolute risk reduction","level":3,"score":0.26089999079704285},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.25189998745918274},{"id":"https://openalex.org/C10515644","wikidata":"https://www.wikidata.org/wiki/Q543310","display_name":"Survival analysis","level":2,"score":0.25099998712539673}],"mesh":[{"descriptor_ui":"D002986","descriptor_name":"Clinical Trials as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002986","descriptor_name":"Clinical Trials as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002986","descriptor_name":"Clinical Trials as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012107","descriptor_name":"Research Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012107","descriptor_name":"Research Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012107","descriptor_name":"Research Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012306","descriptor_name":"Risk","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012306","descriptor_name":"Risk","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012306","descriptor_name":"Risk","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016001","descriptor_name":"Confidence Intervals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016001","descriptor_name":"Confidence Intervals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016001","descriptor_name":"Confidence Intervals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016017","descriptor_name":"Odds Ratio","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016017","descriptor_name":"Odds Ratio","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016017","descriptor_name":"Odds Ratio","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":4,"locations":[{"id":"doi:10.1002/sim.9230","doi":"https://doi.org/10.1002/sim.9230","is_oa":false,"landing_page_url":"https://doi.org/10.1002/sim.9230","pdf_url":null,"source":{"id":"https://openalex.org/S55189604","display_name":"Statistics in Medicine","issn_l":"0277-6715","issn":["0277-6715","1097-0258"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a","cwts-core","doyens","jufo-2","ki-jl-2","medline","norway-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Statistics in Medicine","raw_type":"journal-article"},{"id":"pmid:34672008","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34672008","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":"Statistics in medicine","raw_type":"Journal Article"},{"id":"pmh:oai:arXiv.org:2110.12636","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2110.12636","pdf_url":"https://arxiv.org/pdf/2110.12636","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2110.12636","doi":"https://doi.org/10.48550/arxiv.2110.12636","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2110.12636","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2110.12636","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2110.12636","pdf_url":"https://arxiv.org/pdf/2110.12636","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"score":0.4000000059604645,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1531337395","https://openalex.org/W1828940258","https://openalex.org/W1965310832","https://openalex.org/W1976290551","https://openalex.org/W1979337024","https://openalex.org/W1988992466","https://openalex.org/W1993298878","https://openalex.org/W1994668820","https://openalex.org/W2001232274","https://openalex.org/W2004990745","https://openalex.org/W2012796013","https://openalex.org/W2038252730","https://openalex.org/W2061393918","https://openalex.org/W2079878657","https://openalex.org/W2096913021","https://openalex.org/W2123033778","https://openalex.org/W2126725830","https://openalex.org/W2139058091","https://openalex.org/W2162381046","https://openalex.org/W2312959997","https://openalex.org/W2775607224","https://openalex.org/W2795719294","https://openalex.org/W3084648744","https://openalex.org/W3167989828","https://openalex.org/W4243877444","https://openalex.org/W6653408085"],"related_works":[],"abstract_inverted_index":{"Stratification":[0],"is":[1,89,105,131,244],"commonly":[2],"employed":[3],"in":[4,63,79,146,163,208,246],"clinical":[5],"trials":[6],"to":[7,143],"reduce":[8],"the":[9,15,18,29,44,53,61,66,69,73,76,83,86,92,96,103,108,120,151,159,181,185,195,200,217,223,230,237,247],"chance":[10],"covariate":[11],"imbalances":[12],"and":[13,56,110,155,188,205,228],"increase":[14],"precision":[16],"of":[17,46,95,122,161,211],"treatment":[19],"effect":[20,38,78,125],"estimate.":[21],"We":[22,51],"propose":[23],"a":[24,34,123],"general":[25],"framework":[26],"for":[27,33,60,68,75,85,102,134,158,184,191],"constructing":[28],"confidence":[30],"interval":[31],"(CI)":[32],"difference":[35,88,187],"or":[36,72,82],"ratio":[37,104,190],"parameter":[39],"under":[40,119],"stratified":[41,209],"sampling":[42],"by":[43,107],"method":[45],"variance":[47,55,84,156,239],"estimates":[48],"recovery":[49],"(MOVER).":[50],"consider":[52],"additive":[54,57,231,238],"CI":[58,67,74,101,232],"approaches":[59],"difference,":[62,71],"which":[64],"either":[65],"weighted":[70,77,87,93],"each":[80,164],"group,":[81],"calculated":[90],"as":[91],"sum":[94],"corresponding":[97],"stratum-specific":[98],"statistics.":[99],"The":[100,113,168],"derived":[106],"Fieller":[109],"log-ratio":[111],"methods.":[112],"weights":[114],"can":[115,139],"be":[116,140],"random":[117],"quantities":[118],"assumption":[121,130],"constant":[124],"across":[126,166],"strata,":[127],"but":[128],"this":[129],"not":[132],"needed":[133],"fixed":[135],"weights.":[136],"These":[137],"methods":[138,169],"easily":[141],"applied":[142],"different":[144],"endpoints":[145],"that":[147,216,229],"they":[148],"require":[149],"only":[150],"point":[152],"estimate,":[153],"CI,":[154],"estimate":[157],"measure":[160],"interest":[162],"group":[165],"strata.":[167],"are":[170],"illustrated":[171],"with":[172],"two":[173],"real":[174],"examples.":[175],"In":[176,194],"one":[177],"example,":[178,197],"we":[179,198],"derive":[180],"MOVER":[182,219],"CIs":[183,220],"risk":[186,189],"binary":[192],"outcomes.":[193,213],"other":[196],"compare":[199],"restricted":[201],"mean":[202],"survival":[203,207],"time":[204],"milestone":[206],"analysis":[210],"time-to-event":[212],"Simulations":[214],"show":[215],"proposed":[218],"generally":[221],"outperform":[222],"standard":[224],"large":[225],"sample":[226],"CIs,":[227],"approach":[233],"performs":[234],"better":[235],"than":[236],"approach.":[240],"Sample":[241],"SAS":[242],"code":[243],"provided":[245],"Supplementary":[248],"Material.":[249]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2021-10-25T00:00:00"}