Deprecated: Creation of dynamic property NewFoldLabs\WP\Module\MyProducts\ProductsApi::$namespace is deprecated in /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php on line 41

Deprecated: Creation of dynamic property NewFoldLabs\WP\Module\MyProducts\ProductsApi::$rest_base is deprecated in /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php on line 42

Warning: Cannot modify header information - headers already sent by (output started at /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php:41) in /home3/thuongli/public_html/wp-includes/rest-api/class-wp-rest-server.php on line 1831

Warning: Cannot modify header information - headers already sent by (output started at /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php:41) in /home3/thuongli/public_html/wp-includes/rest-api/class-wp-rest-server.php on line 1831

Warning: Cannot modify header information - headers already sent by (output started at /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php:41) in /home3/thuongli/public_html/wp-includes/rest-api/class-wp-rest-server.php on line 1831

Warning: Cannot modify header information - headers already sent by (output started at /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php:41) in /home3/thuongli/public_html/wp-includes/rest-api/class-wp-rest-server.php on line 1831

Warning: Cannot modify header information - headers already sent by (output started at /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php:41) in /home3/thuongli/public_html/wp-includes/rest-api/class-wp-rest-server.php on line 1831

Warning: Cannot modify header information - headers already sent by (output started at /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php:41) in /home3/thuongli/public_html/wp-includes/rest-api/class-wp-rest-server.php on line 1831

Warning: Cannot modify header information - headers already sent by (output started at /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php:41) in /home3/thuongli/public_html/wp-includes/rest-api/class-wp-rest-server.php on line 1831

Warning: Cannot modify header information - headers already sent by (output started at /home3/thuongli/public_html/wp-content/plugins/bluehost-wordpress-plugin/vendor/newfold-labs/wp-module-my-products/includes/ProductsApi.php:41) in /home3/thuongli/public_html/wp-includes/rest-api/class-wp-rest-server.php on line 1831
{"id":547,"date":"2021-08-26T14:22:28","date_gmt":"2021-08-26T14:22:28","guid":{"rendered":"https:\/\/thuonglibrary.com\/?p=547"},"modified":"2021-08-26T14:22:38","modified_gmt":"2021-08-26T14:22:38","slug":"phan-biet-odds-ratio-or-va-relative-risk-rr","status":"publish","type":"post","link":"https:\/\/thuonglibrary.com\/nghien-cuu-khoa-hoc\/phan-biet-odds-ratio-or-va-relative-risk-rr\/","title":{"rendered":"Ph\u00e2n bi\u1ec7t ODDS RATIO (OR) v\u00e0 RELATIVE RISK (RR)"},"content":{"rendered":"\n

B\u00e0i vi\u1ebft thu\u1ed9c chu\u1ed7i b\u00e0i<\/strong>\u00a0C\u00e1ch \u0111\u1ecdc b\u00e0i b\u00e1o khoa h\u1ecdc theo phong c\u00e1ch sinh vi\u00ean<\/strong><\/h3>\n\n\n\n

<\/a>Nh\u1eefng b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 h\u1ecdc c\u00e1ch hi\u1ec3u v\u00e0 \u0111\u00e1nh gi\u00e1 y h\u1ecdc d\u1ef1a tr\u00ean b\u1eb1ng ch\u1ee9ng l\u00e0 \u0111i\u1ec1u kh\u00f3 n\u00f3i nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u0111\u1ed1i m\u1eb7t v\u1edbi v\u00f4 s\u1ed1 s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea trong b\u1ea5t k\u1ef3 b\u00e0i b\u00e1o n\u00e0o. <\/p>\n\n\n\n

H\u01b0\u1edbng d\u1eabn ng\u1eafn n\u00e0y nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u1edbi thi\u1ec7u cho sinh vi\u00ean ng\u00e0nh y t\u1ebf c\u00e1ch gi\u1ea3i th\u00edch m\u1ed9t s\u1ed1 thu\u1eadt ng\u1eef th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 b\u00e1o c\u00e1o k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u y t\u1ebf.<\/p>\n\n\n\n

Khi n\u00f3i \u0111\u1ebfn c\u00e1c nghi\u00ean c\u1ee9u ph\u00e2n t\u00edch nh\u01b0 nghi\u00ean c\u1ee9u thu\u1ea7n t\u1eadp v\u00e0 nghi\u00ean c\u1ee9u b\u1eb9nh ch\u1ee9ng, t\u1ec9 s\u1ed1 ch\u00eanh (OR) v\u00e0 r\u1ee7i ro t\u01b0\u01a1ng \u0111\u1ed1i (RR) \u0111\u00f4i khi c\u00f3 th\u1ec3 b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi nhau, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi b\u1eaft \u0111\u1ea7u. C\u1ea3 hai ch\u1ec9 l\u00e0 thu\u1eadt ng\u1eef ri\u00eang bi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 bi\u1ec3u th\u1ecb \u201cs\u1ee9c m\u1ea1nh c\u1ee7a s\u1ef1 li\u00ean k\u1ebft\u201d.<\/em><\/strong><\/p>\n\n\n\n

S\u1ee9c m\u1ea1nh c\u1ee7a s\u1ef1 li\u00ean k\u1ebft:<\/em><\/strong><\/p>\n\n\n\n

\u0110\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 m\u1ed9t y\u1ebfu t\u1ed1 c\u1ee5 th\u1ec3 c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn b\u1ec7nh\/t\u00ecnh tr\u1ea1ng \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u.<\/p>\n\n\n\n

V\u00ed d\u1ee5<\/strong>: <\/p>\n\n\n\n

\u201cng\u01b0\u1eddi h\u00fat thu\u1ed1c c\u00f3 nguy c\u01a1 m\u1eafc ung th\u01b0 ph\u1ed5i cao g\u1ea5p 6 l\u1ea7n<\/strong> so v\u1edbi ng\u01b0\u1eddi kh\u00f4ng h\u00fat thu\u1ed1c l\u00e1\u201d. Gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ecb m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft l\u00e0 \u201c6\u2019 <\/strong>\u2013 bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 li\u00ean quan nh\u00e2n qu\u1ea3 gi\u1eefa h\u00fat thu\u1ed1c l\u00e0 v\u00e0 ung th\u01b0 ph\u1ed5i.<\/p>\n\n\n\n

Kh\u00e1i ni\u1ec7m v\u1ec1 x\u00e1c su\u1ea5t<\/strong><\/h3>\n\n\n\n

X\u00e1c<\/em> su\u1ea5t c\u00f3 \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0 probability (vi\u1ebft t\u1eaft l\u00e0 p)<\/em><\/strong><\/p>\n\n\n\n

V\u00ec v\u1eady ch\u00fang ta th\u1ea5y x\u00e1c su\u1ea5t \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng p trong c\u00e1c t\u00e0i li\u1ec7u trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc.<\/p>\n\n\n\n

\u0110\u1ecbnh ngh\u0129a:<\/u><\/strong> <\/h4>\n\n\n\n

X\u00e1c su\u1ea5t l\u00e0 s\u1ed1 l\u1ea7n m\u1ed9t k\u1ebft qu\u1ea3 x\u1ea3y ra chia cho s\u1ed1 l\u1ea7n k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 x\u1ea3y ra v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng ch\u1eef P vi\u1ebft hoa.<\/p>\n\n\n\n

C\u00f4ng th\u1ee9c:<\/u><\/strong> <\/h4>\n\n\n\n

N\u00ean nh\u1edb c\u00f4ng th\u1ee9c \u0111\u1ec3 c\u00f3 th\u1ec3 hi\u1ec3u ch\u00ednh x\u00e1c kh\u00e1i ni\u1ec7m v\u00e0 c\u00e1ch t\u00ednh to\u00e1n<\/p>\n\n\n\n

p <\/strong>= (TIME<\/strong>S an OUTCOME HAPPENED)<\/strong>\/(TIMES<\/strong> an OUTCOME COULD HAVE HAPPENDED<\/strong>)<\/p>\n\n\n\n

= (s\u1ed1 l\u1ea7n m\u1ed9t bi\u1ebfn c\u1ed1 \u0110\u00c3 X\u1ea2Y RA<\/strong>\/s\u1ed1 l\u1ea7n m\u1ed9t bi\u1ebfn c\u1ed1 C\u00d3 TH\u1ec2 X\u1ea2Y RA<\/strong>)<\/p>\n\n\n\n

L\u01b0u \u00fd<\/strong>: <\/p>\n\n\n\n

Nh\u00ecn v\u00e0o c\u00f4ng th\u1ee9c ch\u00fang ta s\u1ebd th\u1ea5y r\u1eb1ng x\u00e1c su\u1ea5t s\u1ebd ch\u1ec9 dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 1.<\/p>\n\n\n\n

Gi\u1ea3 s\u1eed Khi ch\u00fang ta theo d\u00f5i 100 ng\u01b0\u1eddi t\u0103ng huy\u1ebft \u00e1p c\u00f3 m\u1eafc NMCT hay kh\u00f4ng th\u00ec kh\u1ea3 n\u0103ng x\u1ea3y ra NMCT trong nh\u00f3m 100 ng\u01b0\u1eddi n\u00e0y l\u00e0 t\u1eeb 0 \u0111\u1ebfn 100 ng\u01b0\u1eddi  v\u00ec v\u1eady, x\u00e1c xu\u1ea5t s\u1ebd dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 1.<\/p>\n\n\n\n

\"\"
Source: https:\/\/memorang.com\/flashcards\/84618\/Week+1+-+Data+Acquisition+EBM<\/em><\/figcaption><\/figure>\n\n\n\n

V\u00ed d\u1ee5 minh h\u1ecda:<\/u><\/strong><\/p>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfn h\u00e0nh m\u1ed9t nghi\u00ean c\u1ee9u thu\u1ea7n t\u1eadp tr\u00ean 200 ng\u01b0\u1eddi, trong \u0111\u00f3 bao g\u1ed3m 100 ng\u01b0\u1eddi b\u1ecb t\u0103ng huy\u1ebft \u00e1p v\u00e0 100 ng\u01b0\u1eddi kh\u00f4ng b\u1ecb t\u0103ng huy\u1ebft \u00e1p. H\u1ecd theo d\u00f5i bi\u1ebfn c\u1ed1 NMCT c\u1ee7a 200 ng\u01b0\u1eddi n\u00e0y trong v\u00f2ng 1 n\u0103m (12 th\u00e1ng). <\/p>\n\n\n\n

K\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c nh\u01b0 b\u1ea3ng 2×2 ph\u00eda tr\u00ean.  K\u1ebft qu\u1ea3 trong nh\u00f3m 100 ng\u01b0\u1eddi b\u1ecb t\u0103ng huy\u1ebft \u00e1p th\u00ec c\u00f3 9 ng\u01b0\u1eddi b\u1ecb NMCT. Trong nh\u00f3m 100 ng\u01b0\u1eddi kh\u00f4ng b\u1ecb t\u0103ng huy\u1ebft \u00e1p th\u00ec c\u00f3 3 ng\u01b0\u1eddi b\u1ecb NMCT.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 91<\/strong> ng\u01b0\u1eddi kh\u00f4ng b\u1ecb NMCT trong nh\u00f3m b\u1ecb t\u0103ng huy\u1ebft \u00e1p v\u00e0 97<\/strong> ng\u01b0\u1eddi kh\u00f4ng b\u1ecb NMCT trong nh\u00f3m kh\u00f4ng b\u1ecb t\u0103ng huy\u1ebft \u00e1p<\/p>\n\n\n\n

\"\"
H\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c screenshot t\u1eeb video c\u1ee7a https:\/\/www.osmosis.org\/learn\/Odds_ratio<\/em><\/figcaption><\/figure>\n\n\n\n
 <\/strong><\/td>NMCT<\/strong><\/td>Kh\u00f4ng NMCT<\/strong><\/td>T\u1ed5ng nh\u00f3m<\/strong><\/td><\/tr>
Nh\u00f3m t\u0103ng huy\u1ebft \u00e1p    <\/td>9<\/td>91<\/td>100<\/td><\/tr>
Nh\u00f3m kh\u00f4ng t\u0103ng huy\u1ebft \u00e1p<\/td>3<\/td>97<\/td>100<\/td><\/tr><\/tbody><\/table>
B\u1ea3ng 2×2<\/figcaption><\/figure>\n\n\n\n

T\u00ednh \u0111\u01b0\u1ee3c x\u00e1c su\u1ea5t nh\u01b0 sau:<\/strong><\/p>\n\n\n\n