{"id":38,"date":"2024-09-01T20:26:18","date_gmt":"2024-09-01T11:26:18","guid":{"rendered":"https:\/\/best-biostatistics.com\/toukei-er\/?p=38"},"modified":"2024-09-01T20:26:19","modified_gmt":"2024-09-01T11:26:19","slug":"why-not-to-recomend-using-propensity-score-as-a-covariate","status":"publish","type":"post","link":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/why-not-to-recomend-using-propensity-score-as-a-covariate\/","title":{"rendered":"\u50be\u5411\u30b9\u30b3\u30a2\u3092\u5171\u5909\u91cf\u306b\u3057\u305f\u8abf\u6574\u306f\u306a\u305c\u30c0\u30e1\u306a\u306e\u304b"},"content":{"rendered":"\n<p>\u50be\u5411\u30b9\u30b3\u30a2\u3092\u7528\u3044\u305f\u89e3\u6790\u306f\u3044\u304f\u3064\u304b\u77e5\u3089\u308c\u3066\u3044\u308b\u304c\u3001\u50be\u5411\u30b9\u30b3\u30a2\u3092\u5171\u5909\u91cf\u306b\u3057\u305f\u89e3\u6790\u306f\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044<\/p>\n\n\n\n<p>\u305d\u306e\u7406\u7531\u306f\u4f55\u304b<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u50be\u5411\u30b9\u30b3\u30a2\u3092\u5171\u5909\u91cf\u306b\u3057\u305f\u8abf\u6574\u306f\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044\">\u50be\u5411\u30b9\u30b3\u30a2\u3092\u5171\u5909\u91cf\u306b\u3057\u305f\u8abf\u6574\u306f\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044<\/h2>\n\n\n\n<p>\u50be\u5411\u30b9\u30b3\u30a2\u3092\u7528\u3044\u305f\u89e3\u6790\u306f\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e 4 \u3064\u3067\u3042\u308b<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u50be\u5411\u30b9\u30b3\u30a2\u30de\u30c3\u30c1\u30f3\u30b0<\/li>\n\n\n\n<li>\u50be\u5411\u30b9\u30b3\u30a2\u5c64\u5225\u89e3\u6790\uff06\u7d50\u679c\u306e\u4e00\u8cab\u6027\u78ba\u8a8d<\/li>\n\n\n\n<li>\u50be\u5411\u30b9\u30b3\u30a2\u3092\u9023\u7d9a\u30c7\u30fc\u30bf\u306e\u5171\u5909\u91cf\u3068\u3057\u3066\u7dda\u5f62\u30e2\u30c7\u30eb\u306b\u6295\u5165<\/li>\n\n\n\n<li>\u9006\u78ba\u7387\u3092\u91cd\u307f\u3068\u3057\u3066\u7528\u3044\u308b\uff08IPTW\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u3046\u3061\u30013 \u756a\u306e\u5171\u5909\u91cf\u3068\u3057\u3066\u6295\u5165\u3059\u308b\u3053\u3068\u306f\u5968\u52b1\u3055\u308c\u3066\u3044\u306a\u3044<\/p>\n\n\n\n<p>\u7406\u7531\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3042\u308b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u7406\u7531\u305d\u306e-1\u6570\u5b66\u7684\u306b\u7121\u7406\u304c\u3042\u308b\">\u7406\u7531\u305d\u306e 1\uff1a\u6570\u5b66\u7684\u306b\u7121\u7406\u304c\u3042\u308b<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5171\u5206\u6563\u5206\u6790\u306e\u30e2\u30c7\u30eb\u3067\u50be\u5411\u30b9\u30b3\u30a2\u89e3\u6790\u3092\u884c\u3046\u305f\u3081\u306e\u524d\u63d0\u6761\u4ef6\u3068\u3057\u3066\u3001\u50be\u5411\u30b9\u30b3\u30a2\u3068\u76ee\u7684\u5909\u6570\u304c\u7dda\u5f62\u306a\u95a2\u4fc2\u306b\u3042\u308b\u5fc5\u8981\u304c\u3042\u308b\u304c\u3001\u50be\u5411\u30b9\u30b3\u30a2\u304c 0 \u304b\u3089 1 \u3092\u3068\u308b\u4ee5\u4e0a\u3001\u305d\u306e\u3088\u3046\u306a\u95a2\u4fc2\u3092\u4eee\u5b9a\u3059\u308b\u3053\u3068\u306b\u7121\u7406\u304c\u3042\u308b<\/p>\n<\/blockquote>\n\n\n\n<p>\u51fa\u5178\uff1a<a href=\"https:\/\/www.jstage.jst.go.jp\/article\/jbhmk\/31\/1\/31_1_43\/_article\/-char\/ja\">\u50be\u5411\u30b9\u30b3\u30a2\u89e3\u6790\u6cd5\u306b\u3088\u308b\u56e0\u679c\u52b9\u679c\u306e\u63a8\u5b9a\u3068\u8abf\u67fb\u30c7\u30fc\u30bf\u306e\u8abf\u6574\u306b\u3064\u3044\u3066<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u7406\u7531\u305d\u306e-2\u4eee\u5b9a\u304c\u53b3\u3057\u3044\">\u7406\u7531\u305d\u306e 2\uff1a\u4eee\u5b9a\u304c\u53b3\u3057\u3044<\/h3>\n\n\n\n<p>\u50be\u5411\u30b9\u30b3\u30a2\u4ee5\u5916\u306e\u5171\u5909\u91cf\u306f\u3001\u5171\u5909\u91cf\u3068\u3057\u3066\u6295\u5165\u3057\u306a\u3044\u8a3c\u62e0\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8a8d\u8b58\u304c\u3042\u308b<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u30a2\u30a6\u30c8\u30ab\u30e0\u306b\u5bfe\u3059\u308b\u56de\u5e30\u30e2\u30c7\u30eb\u3067\uff11\u3064\uff11\u3064\u306e\u5171\u5909\u91cf\u3092\u6295\u5165\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u50be\u5411\u30b9\u30b3\u30a2\u3092\u76f4\u63a5\u30a2\u30a6\u30c8\u30ab\u30e0\u30e2\u30c7\u30eb\u306b\u6295\u5165\u3059\u308b\u3068\u3044\u3046\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<br>\uff08\u4e2d\u7565\uff09<br><u>\u30e2\u30c7\u30eb\u306e\u4eee\u5b9a<\/u><br><strong>\u30a2\u30a6\u30c8\u30ab\u30e0\u3068\u50be\u5411\u30b9\u30b3\u30a2S(l)\u306e\u9593\u306b\u7dda\u5f62\u6027\u306e\u4eee\u5b9a<\/strong>\u304c\u304a\u3044\u3066\u3042\u308b\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u56e0\u5b50A\u306e\u52b9\u679c\u304c\u50be\u5411\u30b9\u30b3\u30a2S(l)\u306e\u5024\u306b\u3088\u3063\u3066\u5909\u308f\u3089\u306a\u3044\u3068\u3044\u3046\u4eee\u5b9a<\/strong>\u304c\u7f6e\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u51fa\u5178\uff1a<a href=\"https:\/\/www.krsk-phs.com\/entry\/propensity_score_comparison#%E3%82%A2%E3%82%A6%E3%83%88%E3%82%AB%E3%83%A0%E3%83%A2%E3%83%87%E3%83%AB%E3%81%AB%E3%82%88%E3%82%8B%E8%AA%BF%E6%95%B4\">\u50be\u5411\uff08\u30d7\u30ed\u30da\u30f3\u30b7\u30c6\u30a3\uff09\u30b9\u30b3\u30a2\u306e\u5404\u4f7f\u7528\u6cd5\u306e\u4eee\u5b9a\u30fb\u89e3\u91c8\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3057\u3066\u307f\u305f &#8211; Unboundedly<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u7406\u7531\u305d\u306e-3\u30d0\u30a4\u30a2\u30b9\u306e\u5165\u3063\u305f\u63a8\u5b9a\u5024\u306b\u306a\u308b\">\u7406\u7531\u305d\u306e 3\uff1a\u30d0\u30a4\u30a2\u30b9\u306e\u5165\u3063\u305f\u63a8\u5b9a\u5024\u306b\u306a\u308b<\/h3>\n\n\n\n<p>\u5171\u5909\u91cf\u3068\u3057\u3066\u8abf\u6574\u306b\u4f7f\u3046\u3068\u3001\u63a8\u5b9a\u5024\u306e\u30d0\u30a4\u30a2\u30b9\u306b\u3064\u306a\u304c\u308b\u3068\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u7d50\u679c\u306e\u5831\u544a\u304c\u3042\u308b<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Stratification on the propensity score and covariate adjustment using the propensity score result in biased estimation of both marginal and conditional hazard ratios.<\/p>\n<\/blockquote>\n\n\n\n<p>\u3053\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u50be\u5411\u30b9\u30b3\u30a2\u3092\u4f5c\u6210\u3057\u305f\u6cbb\u7642\u306e\u6709\u7121\u306e\u5909\u6570\u3068\u50be\u5411\u30b9\u30b3\u30a2\u306e 2 \u3064\u306e\u307f\u3092\u8aac\u660e\u5909\u6570\u3068\u3057\u3066\u6295\u5165\u3057\u305f\u89e3\u6790\u3092\u884c\u3063\u3066\u3044\u308b<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>2.4. Covariate adjustment using the propensity score<\/em><br>Rosenbaum and Rubin proposed covariate adjustment using the propensity score in the context of<br>estimating linear treatment effects for continuous outcomes [2]. Using this approach, we regress the<br>outcome on two covariates: an indicator variable denoting treatment status and the propensity score.<\/p>\n<\/blockquote>\n\n\n\n<p>\u51fa\u5178\uff1a<a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/sim.5705\">The performance of different propensity score methods for estimating marginal hazard ratios<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4ee5\u4e0a\u3001\u50be\u5411\u30b9\u30b3\u30a2\u3092\u5171\u5909\u91cf\u3068\u3057\u3066\u6295\u5165\u3057\u8abf\u6574\u3059\u308b\u65b9\u6cd5\u304c\u63a8\u5968\u3055\u308c\u306a\u3044\u7406\u7531\u3092\u7d39\u4ecb\u3057\u305f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u5b66\u7684\u306b\u7121\u7406\u304c\u3042\u308b<\/li>\n\n\n\n<li>\u4eee\u5b9a\u304c\u53b3\u3057\u3044<\/li>\n\n\n\n<li>\u63a8\u5b9a\u5024\u306b\u30d0\u30a4\u30a2\u30b9\u304c\u5165\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u7406\u7531\u304b\u3089\u3001\u50be\u5411\u30b9\u30b3\u30a2\u3092\u5171\u5909\u91cf\u3068\u3057\u3066\u6295\u5165\u3059\u308b\u89e3\u6790\u65b9\u6cd5\u3092\u63a8\u5968\u3055\u308c\u306a\u3044<\/p>\n\n\n\n<p>\u4f55\u3089\u304b\u53c2\u8003\u306b\u306a\u308c\u3070<\/p>\n\n\n\n<div id=\"biost-21439130\" class=\"biost- biost-entity-placement\"><p style=\"text-align: center;\"><span style=\"font-size: 20px;\"><strong><a href=\"https:\/\/best-biostatistics.com\/kmhl\">\uff1e\uff1e\u3082\u3046\u7d71\u8a08\u3067\u60a9\u3080\u306e\u306f\u7d42\u308f\u308a\u306b\u3057\u307e\u305b\u3093\u304b\uff1f\u00a0<\/a><\/strong><\/span><\/p>\r\n<a href=\"https:\/\/best-biostatistics.com\/kmhl\"><img class=\"aligncenter wp-image-2794 size-full\" src=\"https:\/\/best-biostatistics.com\/wp\/wp-content\/uploads\/2023\/11\/bn_r_03.png\" alt=\"\" width=\"500\" height=\"327\" \/><\/a>\r\n<p style=\"text-align: center;\"><span style=\"color: #ff0000; font-size: 20px;\"><strong><span class=\"marker2\">\u21911\u4e07\u4eba\u4ee5\u4e0a\u306e\u533b\u7642\u5f93\u4e8b\u8005\u304c\u8cfc\u8aad\u4e2d<\/span><\/strong><\/span><\/p><\/div><h2 class=\"wp-block-heading\" id=\"\u53c2\u8003\u6587\u732e\">\u53c2\u8003\u6587\u732e<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.jstage.jst.go.jp\/article\/jbhmk\/31\/1\/31_1_43\/_article\/-char\/ja\">\u50be\u5411\u30b9\u30b3\u30a2\u89e3\u6790\u6cd5\u306b\u3088\u308b\u56e0\u679c\u52b9\u679c\u306e\u63a8\u5b9a\u3068\u8abf\u67fb\u30c7\u30fc\u30bf\u306e\u8abf\u6574\u306b\u3064\u3044\u3066<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.krsk-phs.com\/entry\/propensity_score_comparison#%E3%82%A2%E3%82%A6%E3%83%88%E3%82%AB%E3%83%A0%E3%83%A2%E3%83%87%E3%83%AB%E3%81%AB%E3%82%88%E3%82%8B%E8%AA%BF%E6%95%B4\">\u50be\u5411\uff08\u30d7\u30ed\u30da\u30f3\u30b7\u30c6\u30a3\uff09\u30b9\u30b3\u30a2\u306e\u5404\u4f7f\u7528\u6cd5\u306e\u4eee\u5b9a\u30fb\u89e3\u91c8\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3057\u3066\u307f\u305f &#8211; Unboundedly<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/sim.5705\">The performance of different propensity score methods for estimating marginal hazard ratios<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u50be\u5411\u30b9\u30b3\u30a2\u3092\u7528\u3044\u305f\u89e3\u6790\u306f\u3044\u304f\u3064\u304b\u77e5\u3089\u308c\u3066\u3044\u308b\u304c\u3001\u50be\u5411\u30b9\u30b3\u30a2\u3092\u5171\u5909\u91cf\u306b\u3057\u305f\u89e3\u6790\u306f\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044 \u305d\u306e\u7406\u7531\u306f\u4f55\u304b<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2],"tags":[],"class_list":["post-38","post","type-post","status-publish","format-standard","hentry","category-2"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/38","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/comments?post=38"}],"version-history":[{"count":3,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/38\/revisions"}],"predecessor-version":[{"id":1152,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/38\/revisions\/1152"}],"wp:attachment":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/media?parent=38"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/categories?post=38"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/tags?post=38"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}