{"id":1442,"date":"2023-08-31T21:30:50","date_gmt":"2023-08-31T12:30:50","guid":{"rendered":"https:\/\/info.zanet.biz\/?p=1442"},"modified":"2023-08-31T21:30:51","modified_gmt":"2023-08-31T12:30:51","slug":"%e5%9b%9b%e5%88%86%e8%a1%a8-two-by-two-table-2x2-table","status":"publish","type":"post","link":"https:\/\/info.zanet.biz\/?p=1442","title":{"rendered":"\u56db\u5206\u8868 Two-by-two table, 2×2 table"},"content":{"rendered":"\n

\u30e9\u30f3\u30c0\u30e0\u5316\u6bd4\u8f03\u8a66\u9a13\u30672\u3064\u306e\u6cbb\u7642\u9078\u629e\u80a2\u306e\u52b9\u679c\u3092\u6bd4\u8f03\u3059\u308b\u5834\u5408\u3001\u3072\u3068\u3064\u306e\u30a2\u30a6\u30c8\u30ab\u30e0\u306b\u5bfe\u3057\u3066\u3001\u30a2\u30a6\u30c8\u30ab\u30e0\u304c\u4e8c\u5024\u5909\u6570Dichotomous variable\u3067\u3042\u308c\u3070\u3001\u3044\u308f\u3086\u308b\u56db\u5206\u8868 two-by-two table\u3001 2×2 table\u306b\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n

\u56db\u5206\u8868\u306f\u30af\u30ed\u30b9\u96c6\u8a08\u8868\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u30af\u30ed\u30b9\u96c6\u8a08\u8868\u306f\u4e8c\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u3001\u4f8b\u3048\u3070\u3001\u7537\u6027\u3068\u5973\u6027\u3067\u3044\u304f\u3064\u304b\u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u306b\u5206\u985e\u3055\u308c\u308b\u5909\u6570\u3001\u4f8b\u3048\u3070\u3001\u597d\u304d\u306a\u30b9\u30dd\u30fc\u30c4\u3001\u306b\u3064\u3044\u3066\u5ea6\u6570\u3092\u96c6\u8a08\u3057\u305f\u3088\u3046\u306a\u5834\u5408\u306b\u4f5c\u6210\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u56db\u5206\u8868\u3067\u306f\u305d\u306e\u5909\u6570\u304c\u4e8c\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u30fc\u306b\u5206\u985e\u3055\u308c\u308b\u5834\u5408\u306e\u30af\u30ed\u30b9\u96c6\u8a08\u8868\u306b\u76f8\u5f53\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u4f8b\u3048\u3070\u3001\u3053\u306e\u3088\u3046\u306a\u8868\u3067\u3059\u3002a, b, c, d, nt, nc\u306f\u4eba\u6570\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

<\/td>\u30a2\u30a6\u30c8\u30ab\u30e0\uff08\uff0b\uff09<\/td>\u30a2\u30a6\u30c8\u30ab\u30e0\uff08\uff0d\uff09<\/td>\u75c7\u4f8b\u6570<\/td><\/tr>
\u4ecb\u5165\u7fa4<\/td>a<\/td>b<\/td>nt<\/td><\/tr>
\u5bfe\u7167\u7fa4<\/td>c<\/td>d<\/td>nc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u8a3a\u65ad\u7cbe\u5ea6\u306b\u95a2\u3059\u308b\u7814\u7a76\u306e\u5834\u5408\u3082\u3001\u5bfe\u8c61\u8005\u304c\u75be\u60a3\u3042\u308a\u3001\u306a\u3057\u306e\u4e8c\u5024\u5909\u6570\u3067\u5206\u985e\u3055\u308c\u3001\u8a3a\u65ad\u691c\u67fb\u6cd5\u306e\u7d50\u679c\u304c\u967d\u6027\u30fb\u9670\u6027\u306e\u4e8c\u5024\u5909\u6570\u306e\u5834\u5408\u306f\u3001\u540c\u69d8\u306b\u56db\u5206\u8868\u3067\u7d50\u679c\u3092\u8868\u3057\u3001\u8a3a\u65ad\u80fd\u306e\u6307\u6a19\u3067\u3042\u308b\u611f\u5ea6\u30fb\u7279\u7570\u5ea6\u304c\u7b97\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

<\/td>\u967d\u6027<\/td>\u9670\u6027<\/td>\u75c7\u4f8b\u6570<\/td><\/tr>
\u75be\u60a3\u7fa4<\/td>a<\/td>b<\/td>nd<\/td><\/tr>
\u5bfe\u7167\u7fa4<\/td>c<\/td>d<\/td>nc<\/td><\/tr><\/tbody><\/table>
\u611f\u5ea6=a\/(a + b) = a\/nd \u7279\u7570\u5ea6 = c\/(c+ d) = c\/nc<\/figcaption><\/figure>\n\n\n\n

\u3053\u306e\u3088\u3046\u306b\u56db\u5206\u8868\u306f\u3055\u307e\u3056\u307e\u306a\u5206\u6790\u3067\u6d3b\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u5358\u7d14\u5316\u3055\u308c\u3001\u5206\u304b\u308a\u3084\u3059\u3044\u3068\u3044\u3046\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u30e9\u30f3\u30c0\u30e0\u5316\u6bd4\u8f03\u8a66\u9a13\u3067\u4ecb\u5165\u306e\u52b9\u679c\u3092\u8868\u3059\u305f\u3081\u306b\u52b9\u679c\u6307\u6a19\u3068\u3057\u3066\u30ea\u30b9\u30af\u6bd4\u3001\u30aa\u30c3\u30ba\u6bd4\u3001\u30ea\u30b9\u30af\u5dee\u306a\u3069\u304c\u8a08\u7b97\u3055\u308c\u307e\u3059\u304c\u3001\u4e0a\u8a18\u306e\u56db\u5206\u8868\u306e\u30c7\u30fc\u30bf\u3067\u3042\u308c\u3070\u4ee5\u4e0b\u306e\u69d8\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\u30ea\u30b9\u30af\u6bd4 = [a\/(a + b)]\/[c\/(c + d)] = (a\/nt)\/(c\/nc)<\/p>\n\n\n\n

\u30aa\u30c3\u30ba\u6bd4 = (a\/b)\/(c\/d)<\/p>\n\n\n\n

\u30ea\u30b9\u30af\u5dee = a\/(a + b) – c\/(c +d)<\/p>\n\n\n\n

\u3053\u308c\u3089\u306e\u52b9\u679c\u6307\u6a19\u306e95%\u4fe1\u983c\u533a\u9593\u3092\u8a08\u7b97\u3057\u4e0d\u78ba\u5b9f\u6027\u306e\u8a55\u4fa1\u304c\u3067\u304d\u307e\u3059\u3057\u3001\u30a2\u30a6\u30c8\u30ab\u30e0\uff08\uff0b\uff09\u306e\u5272\u5408\u306b\u5dee\u304c\u7121\u3044\u3068\u3044\u3046\u5e30\u7121\u4eee\u8aac\u306b\u5bfe\u3059\u308bP\u5024\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u56db\u5206\u8868\u306f\u5358\u7d14\u5316\u3055\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u70b9\u306b\u3064\u3044\u3066\u5c11\u3057\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30e9\u30f3\u30c0\u30e0\u5316\u6bd4\u8f03\u8a66\u9a13\u306e\u4f8b\u306b\u3064\u3044\u3066\u5143\u30c7\u30fc\u30bf\u306f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u8003\u3048\u3066\u307f\u307e\u3059\u3002\u5143\u30c7\u30fc\u30bf\u306f\u3001\u500b\u4eba\u500b\u4eba\u306e\u30c7\u30fc\u30bf\u30921\u884c\u306b\u96c6\u8a08\u3057\u307e\u3059\u3002\u305d\u308c\u3092\u75c7\u4f8b\u6570\u5206\u96c6\u3081\u307e\u3059\u3002\u4e0a\u8a18\u306e\u56db\u5206\u8868\u306e\u30c7\u30fc\u30bf\u304b\u3089\u306f\u4ee5\u4e0b\u306e\u69d8\u306a\u5143\u30c7\u30fc\u30bf\u304c\u5fa9\u5143\u3067\u304d\u307e\u3059\u3002\u30a2\u30a6\u30c8\u30ab\u30e0\u306f1\u304c\u30a2\u30a6\u30c8\u30ab\u30e0(+)\u30010\u304c\u30a2\u30a6\u30c8\u30ab\u30e0(\uff0d)\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3082\u3057\u5404\u7fa4\u3067\u5e73\u5747\u5024\u3092\u8a08\u7b97 \u3059\u308b\u3068\u3001\u30a2\u30a6\u30c8\u30ab\u30e0(+)\u306e\u75c7\u4f8b\u306e\u5272\u5408\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\u75c7\u4f8b\u756a\u53f7<\/td>\u6cbb\u7642<\/td>\u30a2\u30a6\u30c8\u30ab\u30e0<\/td><\/tr>
1<\/td>\u4ecb\u5165<\/td>1<\/td><\/tr>
2<\/td>\u4ecb\u5165<\/td>0<\/td><\/tr>
3<\/td>\u4ecb\u5165<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4ecb\u5165\u7fa4\u306e\u75c7\u4f8b\u6570nt\u4eba\u5206\u306e\u884c\u304c\u7d9a\u304f\uff1a           1\u304ca\u4eba\u30010\u304cb\u4eba<\/p>\n\n\n\n

\u4f8b\u3048\u307051<\/td>\u5bfe\u7167<\/td>0 <\/td><\/tr>
52<\/td>\u5bfe\u7167<\/td>0<\/td><\/tr>
53<\/td>\u5bfe\u7167<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5bfe\u7167\u7fa4\u306e\u75c7\u4f8b\u6570nc\u4eba\u5206\u306e\u884c\u304c\u7d9a\u304f\uff1a          1\u304cc\u4eba\u30010\u304cd\u4eba<\/p>\n\n\n\n

\u3055\u3066\u3001\u6cbb\u7642\u9078\u629e\u80a2\u3068\u30a2\u30a6\u30c8\u30ab\u30e0\u4ee5\u5916\u306e\u305d\u308c\u305e\u308c\u306e\u500b\u4eba\u306e\u5c5e\u6027\u306b\u3064\u3044\u3066\u306e\u30c7\u30fc\u30bf\u306f\u3053\u3053\u3067\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u6cbb\u7642\u9078\u629e\u80a2\u304c\uff12\u3064\u3001\u30a2\u30a6\u30c8\u30ab\u30e0\u304c\uff12\u3064\u306e\u5024\u3092\u3068\u308b\u5909\u6570\u3067\u3042\u308b\u305f\u3081\u3001\u30af\u30ed\u30b9\u96c6\u8a08\u8868\u3092\u4f5c\u6210\u3059\u308b\u3068\u56db\u5206\u8868\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u4ed6\u306e\u3001\u305d\u308c\u3089\u306e\u5c5e\u6027\u306e\u4e2d\u306b\u30a2\u30a6\u30c8\u30ab\u30e0\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u56e0\u5b50\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u306e\u304c\u666e\u901a\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u5e74\u9f62\u306f\u3055\u307e\u3056\u307e\u306a\u75be\u60a3\u3067\u751f\u5b58\u3092\u542b\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30a6\u30c8\u30ab\u30e0\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306f\u305a\u3067\u3059\u3002\u3082\u3057\u5e74\u9f62\u304c\u4ecb\u5165\u7fa4\u3067\u5bfe\u7167\u7fa4\u3088\u308a\u82e5\u3044\u5834\u5408\u3001\u7d50\u679c\u306f\u4ecb\u5165\u7fa4\u306b\u6709\u5229\u306b\u50cd\u304f\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u5b9f\u969b\u306b\u306f\u5143\u30c7\u30fc\u30bf\u306f\u4ee5\u4e0b\u306e\u69d8\u306b\u3055\u307e\u3056\u307e\u306a\u5c5e\u6027\u306e\u30c7\u30fc\u30bf\u3092\u542b\u3093\u3067\u3044\u307e\u3059\u3002\u75c5\u671f\u3001\u91cd\u75c7\u5ea6\u306a\u3069\u3082\u30a2\u30a6\u30c8\u30ab\u30e0\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n

\u75c7\u4f8b\u756a\u53f7<\/td>\u6cbb\u7642<\/td>\u30a2\u30a6\u30c8\u30ab\u30e0<\/td>\u6027\u5225<\/td>\u5e74\u9f62<\/td>\u75c5\u671f<\/td>\u91cd\u75c7\u5ea6<\/td>\u305d\u306e\u4ed6\u30fb\u30fb\u30fb<\/td><\/tr>
1 <\/td>\u4ecb\u5165<\/td>1<\/td>\u7537\u6027<\/td>55<\/td>I<\/td>1<\/td>\u30fb\u30fb\u30fb<\/td><\/tr>
2<\/td>\u4ecb\u5165<\/td>0<\/td>\u5973\u6027<\/td>75<\/td>II<\/td>2<\/td>\u30fb\u30fb\u30fb<\/td><\/tr>
3<\/td>\u4ecb\u5165<\/td>1<\/td>\u5973\u6027<\/td>62<\/td>I<\/td>1<\/td>\u30fb\u30fb\u30fb<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4ecb\u5165\u7fa4\u306e\u75c7\u4f8b\u6570nt\u4eba\u5206\u306e\u884c\u304c\u7d9a\u304f\uff1a  \u30a2\u30a6\u30c8\u30ab\u30e01\u304ca\u4eba\u30010\u304cb\u4eba<\/p>\n\n\n\n

\u4f8b\u3048\u307051 <\/td>\u5bfe\u7167<\/td>0 <\/td>\u5973\u6027 <\/td> 70<\/td>II <\/td>2 <\/td>\u30fb\u30fb\u30fb <\/td><\/tr>
52<\/td>\u5bfe\u7167<\/td>0<\/td>\u7537\u6027<\/td>83<\/td>II<\/td>2<\/td>\u30fb\u30fb\u30fb<\/td><\/tr>
53<\/td>\u5bfe\u7167<\/td>1<\/td>\u7537\u6027<\/td>74<\/td>I<\/td>1<\/td>\u30fb\u30fb\u30fb<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5bfe\u7167\u7fa4\u306e\u75c7\u4f8b\u6570nc\u4eba\u5206\u306e\u884c\u304c\u7d9a\u304f\uff1a \u30a2\u30a6\u30c8\u30ab\u30e01\u304cc\u4eba\u30010\u304cd\u4eba<\/p>\n\n\n\n

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