{"id":776,"date":"2024-07-11T08:23:09","date_gmt":"2024-07-11T08:23:09","guid":{"rendered":"http:\/\/www.ohsumin.com\/?p=776"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"%ec%98%a4%ec%a6%88%eb%b9%84","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=776","title":{"rendered":"\uc624\uc988\ube44(OR : Odd Ratio)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uc624\uc988\ube44(Odds Ratio, OR)\ub294 \ub450 \uc9d1\ub2e8 \uac04\uc758 \uc0ac\uac74 \ubc1c\uc0dd \ube44\uc728\uc744 \ube44\uad50\ud558\ub294 \ud1b5\uacc4\uc801 \ubc29\ubc95\uc73c\ub85c, \ud2b9\ud788 \uc758\ud559 \ubc0f \uc5ed\ud559 \uc5f0\uad6c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc624\uc988\ube44\ub294 \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud560 \ud655\ub960\uacfc \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc744 \ud655\ub960\uc758 \ube44\uc728\uc744 \ud1b5\ud574 \ub450 \uadf8\ub8f9\uc758 \ucc28\uc774\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\\(\\)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%A4%EC%A6%88%EB%B9%84%EC%9D%98_%EC%A0%95%EC%9D%98\"><\/span>\uc624\uc988\ube44\uc758 \uc815\uc758<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\uc988\ube44\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\\[<br>OR = \\frac{\\text{\uc0ac\uac74\uc774 \ubc1c\uc0dd\ud55c \uacbd\uc6b0\uc758 \uc624\uc988}}{\\text{\uc0ac\uac74\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0\uc758 \uc624\uc988}}<br>\\]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c &#8220;\uc624\uc988&#8221;\ub294 \ud2b9\uc815 \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud560 \ud655\ub960\uacfc \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc744 \ud655\ub960\uc758 \ube44\uc728\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud560 \ud655\ub960\uc774 \\( p \\)\ub77c\uba74, \uc624\uc988\ub294 \\( \\frac{p}{1-p} \\)\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%A4%EC%A6%88%EB%B9%84%EC%9D%98_%EA%B3%84%EC%82%B0\"><\/span>\uc624\uc988\ube44\uc758 \uacc4\uc0b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>2&#215;2 \ubd84\ud560\ud45c\ub97c \uc0ac\uc6a9\ud55c \uc624\uc988\ube44 \uacc4\uc0b0<\/strong>: \uc0ac\uac74 \ubc1c\uc0dd(Yes) \uc0ac\uac74 \ube44\ubc1c\uc0dd(No) <strong>\ub178\ucd9c \uadf8\ub8f9(Exposure)<\/strong> ( a ) ( b ) <strong>\ube44\ub178\ucd9c \uadf8\ub8f9(No Exposure)<\/strong> ( c ) ( d ) \uc774 \uacbd\uc6b0, \uc624\uc988\ube44\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4: <br>\\[<br>OR = \\frac{a\/c}{b\/d} = \\frac{a \\cdot d}{b \\cdot c}<br>\\]<\/li>\n\n\n\n<li><strong>\uc608\uc2dc<\/strong>:<ul><li>\ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud55c \uacbd\uc6b0: 30\uba85\ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0: 70\uba85\ube44\ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud55c \uacbd\uc6b0: 10\uba85\ube44\ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0: 90\uba85<\/li><\/ul>\uc774 \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \uc624\uc988\ube44\ub97c \uacc4\uc0b0\ud558\uba74: <br>\\[<br>OR = \\frac{30 \\cdot 90}{70 \\cdot 10} = \\frac{2700}{700} = 3.86<br>\\]<br> \ub530\ub77c\uc11c, \ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud560 \uc624\uc988\ub294 \ube44\ub178\ucd9c \uadf8\ub8f9\ubcf4\ub2e4 3.86\ubc30 \ub192\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%A4%EC%A6%88%EB%B9%84%EC%9D%98_%ED%95%B4%EC%84%9D\"><\/span>\uc624\uc988\ube44\uc758 \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>OR = 1<\/strong>: \ub450 \uadf8\ub8f9 \uac04\uc5d0 \uc0ac\uac74 \ubc1c\uc0dd \uc624\uc988\uc758 \ucc28\uc774\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>OR > 1<\/strong>: \ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74 \ubc1c\uc0dd \uc624\uc988\uac00 \ub354 \ub192\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>OR &lt; 1<\/strong>: \ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74 \ubc1c\uc0dd \uc624\uc988\uac00 \ub354 \ub0ae\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%A4%EC%A6%88%EB%B9%84%EC%9D%98_%EC%9E%A5%EC%A0%90%EA%B3%BC_%ED%95%9C%EA%B3%84\"><\/span>\uc624\uc988\ube44\uc758 \uc7a5\uc810\uacfc \ud55c\uacc4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc7a5\uc810<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ucf54\ud638\ud2b8 \uc5f0\uad6c, \uc0ac\ub840 \ub300\uc870 \uc5f0\uad6c \ub4f1 \ub2e4\uc591\ud55c \uc5f0\uad6c \ub514\uc790\uc778\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc0ac\uac74 \ubc1c\uc0dd \ube48\ub3c4\uac00 \ub0ae\uc740 \uacbd\uc6b0\uc5d0\ub3c4 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud55c\uacc4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc2e4\uc81c \uc704\ud5d8\ub960\uc744 \uc81c\uacf5\ud558\uc9c0 \uc54a\uc73c\uba70, \ud574\uc11d\uc5d0 \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc0ac\uac74 \ubc1c\uc0dd \ud655\ub960\uc774 \ub192\uc744 \uacbd\uc6b0, \uc624\uc988\uc640 \uc2e4\uc81c \uc704\ud5d8\ub960 \uac04\uc758 \ucc28\uc774\uac00 \ucee4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%A0%9C_1_Python%EC%9D%84_%EC%9D%B4%EC%9A%A9%ED%95%9C_%EC%98%A4%EC%A6%88%EB%B9%84_%EA%B3%84%EC%82%B0\"><\/span>\uc608\uc81c 1 : Python\uc744 \uc774\uc6a9\ud55c \uc624\uc988\ube44 \uacc4\uc0b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\n# \ub370\uc774\ud130 \uc124\uc815 (\uc608\uc2dc)\na = 30  # \ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74 \ubc1c\uc0dd\nb = 70  # \ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74 \ube44\ubc1c\uc0dd\nc = 10  # \ube44\ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74 \ubc1c\uc0dd\nd = 90  # \ube44\ub178\ucd9c \uadf8\ub8f9\uc5d0\uc11c \uc0ac\uac74 \ube44\ubc1c\uc0dd\n\n# \uc624\uc988\ube44 \uacc4\uc0b0\nodds_ratio = (a * d) \/ (b * c)\nprint(f\"\uc624\uc988\ube44: {odds_ratio}\")<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ucf54\ub4dc\ub97c \uc2e4\ud589\ud558\uba74 \uc704\uc758 \uc608\uc2dc \ub370\uc774\ud130\ub85c \uc624\uc988\ube44\ub97c \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\uc988\ube44\ub294 \uc0ac\uac74 \ubc1c\uc0dd\uacfc \uad00\ub828\ub41c \uc704\ud5d8 \uc694\uc778\uc744 \ud3c9\uac00\ud560 \ub54c \uc720\uc6a9\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774 \uac1c\ub150\uc744 \uc774\ud574\ud558\uace0 \uc801\uc808\ud788 \ud65c\uc6a9\ud558\uba74 \uc5f0\uad6c \uacb0\uacfc\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%A0%9C_2_%EA%B7%B8%EB%9E%98%ED%94%84%EB%A1%9C_%EB%B9%84%EA%B5%90\"><\/span>\uc608\uc81c 2 : \uadf8\ub798\ud504\ub85c \ube44\uad50<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"456\" height=\"387\" src=\"http:\/\/www.ohsumin.com\/sm24_wp\/wp-content\/uploads\/2024\/07\/Number-of-Events-and-Non-Events-by-Group.png\" alt=\"\" class=\"wp-image-977\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/Number-of-Events-and-Non-Events-by-Group.png 456w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/Number-of-Events-and-Non-Events-by-Group-300x255.png 300w\" sizes=\"auto, (max-width: 456px) 100vw, 456px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \uadf8\ub9bc\uc740 \ub450 \uadf8\ub8f9(\ub178\ucd9c \uadf8\ub8f9\uacfc \ube44\ub178\ucd9c \uadf8\ub8f9)\uc758 \uc0ac\uac74 \ubc1c\uc0dd\uacfc \ube44\ubc1c\uc0dd\uc758 \uc218\ub97c \ube44\uad50\ud55c \ub9c9\ub300\uadf8\ub798\ud504\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub178\ucd9c \uadf8\ub8f9(Exposure Group)<\/strong>: \uc0ac\uac74 \ubc1c\uc0dd 30\uba85, \uc0ac\uac74 \ube44\ubc1c\uc0dd 70\uba85<\/li>\n\n\n\n<li><strong>\ube44\ub178\ucd9c \uadf8\ub8f9(Non-Exposure Group)<\/strong>: \uc0ac\uac74 \ubc1c\uc0dd 10\uba85, \uc0ac\uac74 \ube44\ubc1c\uc0dd 90\uba85<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uadf8\ub798\ud504\ub97c \ud1b5\ud574 \ub450 \uadf8\ub8f9 \uac04\uc758 \uc0ac\uac74 \ubc1c\uc0dd \ube44\uc728\uc758 \ucc28\uc774\ub97c \uc2dc\uac01\uc801\uc73c\ub85c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ube44\uad50\ub294 \uc624\uc988\ube44\ub97c \uacc4\uc0b0\ud558\uace0 \ud574\uc11d\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc624\uc988\ube44(Odds Ratio, OR)\ub294 \ub450 \uc9d1\ub2e8 \uac04\uc758 \uc0ac\uac74 \ubc1c\uc0dd \ube44\uc728\uc744 \ube44\uad50\ud558\ub294 \ud1b5\uacc4\uc801 \ubc29\ubc95\uc73c\ub85c, \ud2b9\ud788 \uc758\ud559 \ubc0f \uc5ed\ud559 \uc5f0\uad6c\uc5d0\uc11c \ub110\ub9ac&#8230;<\/p>\n","protected":false},"author":1,"featured_media":978,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stat","wpcat-6-id"],"_links":{"self":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=776"}],"version-history":[{"count":2,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/776\/revisions"}],"predecessor-version":[{"id":979,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/776\/revisions\/979"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/978"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=776"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}