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̩ɽҽѧԺвص

̩ɽҽѧԺвص

1.вѧ : оȺм뽡״ ֲӰأоƶ۷Ƽ ٽIJԺʹʩĿѧ.ں о---Ⱥо--- ˺ о---ͽķֲӰ أоĿ---Ϊͼٽṩ ѧݣ во ۲о ʵо о вѧо۵㣺Ⱥ塢Ƚϡۡ ҽѧಡۡ 2. ķֲ ָڲͬʱ䡢 ͬ ͲͬȺеķ뻼ˮƽȡ 壺 оֲڲй ɢΪоṩ вѧϺ ϢָԤ ʩв ѧоͻ ʵʷijĹ۲ ? ?k 3 ʣ rate ܷijĹ۲ λ ָ 4 Ա ? ָ ?100% 5 ڲռñء һڼ ()ijȺij² 6 ʣ ? ?K ͬڱ¶˿ ۲ڼ² 7.ʣ  ? ?K ͬڱ¶˿ 8. ijضʱ˿ij¾ɲ ռı 9뷢

ķ ijһضȺij 򽡿״йؽе飬 Ӷ ò򽡿״ķֲ Ĺϵ 29.ղ飺ָضʱʱ.ضΧ ڵȫȺ 壩 Ϊоĵ顣 ŵ㣺 Ѱijȫʱƣ ȫ ص㣻ҽ⡣ȱ㣺 .ϸϿܲ׼ȷ ڻʵͺֳϼӵļ ղ׿ơ 30.飺ضʱ㡢ضΧڵ ijȺУ һķȡһ дԵĸе ۸ȺиüĻʼij ЩһЩ顣 ŵ㣺 ʡʱ䡢 ʡ ʡϸ ȱ ơ ʵʩ Ϸϸӣ ظ©ױ֣ IJϺҪղε ó飻 ̫͵ļʺϳ 飬> 75%ʱղ顣 ϵͳֲ Ⱥ༶ 31.ֿ鷽áŷá 绰ѯʡ ʽʾ顢ʵҼ 32ֿСҪǣ ļʣ ԵȷԸߵ Ƶ ɲ Ⱥ Ҫˮƽ ǿ ռı 33.ֿƫУѡƫУѡƫ ָ̬ ָ̬ СӦƫС ҴƫУϢƫ ǿ ² ǿ ƫСƫСƫУ Ҫ й ںо ƴʩ ԭ ѧо Ӧʢ۽ԤͳһѵԱ ڼԲ ҲһԲ ز޵鷽׼ Բ 10.Ӱ컼ʵأߣӳ ǰһ¡ ߣǨ׸Ǩˮƽ 34.оضȺǷ¶ ߡ̣ͣʸߣ ijطΪͬ ¶ͷDZ¶ ½ǨǨ 飩 ׷ٹ۲һʱ䣬Ƚij ʻʵIJ죬 Լ 11.ʣ һʱ䣬 һȺij ּϵϵǿȴСķ 򣩵Ƶʡ ͣǰհԡʷԡ ˫Զ 12 ʣһʱڣ1 ꣩ij ŵ㣺 ֱӻñ¶ͷDZ¶ òߵı ʻʣֱӹΣնȣ RR 13.ǿȵ ɢ ARռɿڻ һˮƽ ֮ڷʱ͵ ƫТ۷ʱ˳ ֤ǿ ϵڱһֲ ܿоȻʷݻһֱ¶ 嵥λУʱͻȻֺܶͬIJ ֵֽĹϵȱ㣺ٺʱ ˡУijijɢ ڲڷʺܵ͵ļIJ ˮƽ оҪã ױ 14.ֲٵطԣa ԣײʧƫТùУ Ȼط b ͳƵط c ȻԴԢ ֪ı仯δ֪ӷ ԡ Ѷȡ 15.жϵطݣ ٸȺ 35.ʧƫУоǨơ Ⱥ򷢲 ʵ͢Ǩ ڷյ㼲ܾμӹ۲˳ һʱ󷢲뵱ؾƢ ƫС Ǩ߷½֢״Ȭ׸ж 37.оѡijض Ҳɷ Ϊ Բиòпɱ 16.ֲı仯ҪУ ٶڲڼ ĸΪգǷǰij ԢԢܳ Щ صı¶ Ƚб¶ 17.оֲķٺ ͱ¶ˮƽIJ죬 оü Щ ȽϷͬͬһʱ ķʡ صĹϵ ͣ Ϊƥƥ䲡 ˵ͬһʱڲͬ䷢ʼ о ص㣺У ֳɲ ͬ鷢ʵı仯ڳ 飻 ¶оڶ з ͬһȺڲͬ ȥĻعˣ ɹ ¶뼲 ׶ijķʡʽз ϵ 18вѧͨȽȺƾ 38.ƥ䣨ȣ ҪijЩػ صȺԭסȺ ijʺ 벡һ£ ĿǶ ʵIJ죬òķŴغ Ƚʱųƥصĸš صĹϵ 39.OR ָб¶DZ¶ 19.ģͣ ģͣ ıֵԶб¶DZ¶ ״ģ͡ģ ıֵ 20.о вѧо 40.оƫУѡƫУ о عԶо ʵвѧо ԺƫУֻ-·ƫУ 21.Mill ׼ ͬ 취䷨ ƫТϢƫУa ƫУ ų оҪǵоı¶ 22.ƫУ вѧодڵĸ ڱ߼ʧɽ ֶԱ¶뼲ϵĴƣ ϵͳ ۵ϵͳb ƫ ߼ʵϵ 41.о ŵ㣺С 23.ٹѡƫкϢƫС ȡ٣ 24ƫУڹƱ¶뼲֮ϵ ڽУ 죻 ͬʱһּ ʱܵһоļй ֲо ʺڶԲӡ ϵ뱩¶ϵDZΣ ʵ͡ DZڳļ Զƴʩ Ӱ죬Ӷо뼲֮ Ч븱ۡ ȱ㣺 ʵϵ ƫеӰ죻ѡĶսѣ 25.õĿƻӵķȡ ĿɿԲо ܼ㱩¶ ط ޱ¶Ⱥķʡ 26.ϵƶϱ׼ ǿȡ ʱ˳ 42 ʵвѧͨȽϸԤ ԡظԡѧԣ ʩʵȺȺĽ֣ -Ӧϵ 뼲ֲһԣ ʵ֤ жϸԤʩЧһǰհо ݣԡ ٴ飨ԭ ա 27.о еϻרŵ äظԭ ֳ顢 ϣͽ״ڲͬ Ԥ顣 ͬʱ估ͬȺķֲص㣬 43 ɸ죺ڴ޲Ⱥ ١ 顢ȥ 28.ֿо ֳƺо ǰ Щвȱݵˡ ɸ飺 ƵҪijһʱʱڣͨղ ʶ𽡿Ⱥδֵij

߻ɻߣΣľ巽 44 ɸʵʩԭ򣺢ɸļǵǰ ڵĹпʶ֢״ ۸ò߱ЧƺԤ ܶԼȻʷݸòнһȷ ķ޸òнϳDZڻ ʱԤõɸЧɸ Ҫ١ 㡢 ЧȺڽܢ б֤ɸƻ˳ɵɸ ӦܱĿȺܣ ޺ ƽضԴÿһԱ 45 ȣʵвɸ ׼ȷΪвİٷֱȡ ӳɸ 鷢ֲ˵Se a/(a + c) 100% 46 ȣʵ޲ϣɸ죩 ׼ȷΪ޲İٷֱȡ ӳɸ ȷDz˵Sp d/(b+d) 100% 47 ʣ ʵ޲ ɸ 죩 Ϊвİٷֱȡ FPR b/(b+d) 100%
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ȺI ԤC ָһֿ ڱȽϵĸԤʩO 4. ԡ ظ ԡ ϵĿɽԡͽʵԡ ϢԡѧϵĿɽԡ 5.ѡ ֤Դı ׼ ѭ֤Ͻ ԣݵȫԺԣԣɼ ԡ 6.ѭ֤ҽѧ֤Դ֤ϵͳ֤ ժҪϵͳۣԭʼо 7.֤ݼռĻ裺ȷٴ ͺ͹ٴѡ ƶʺͼԢжϼ 8.meta һͳƷ ġ Ժϳɵٴоۺ ж 9.ϵͳһȫµۺϷ ָijһٴ⣨缲IJ ϡơԤ ϵͳȫռ ѷδٴо ٴ вѧϸ׵ԭͷ ɸѡ ׼ף жԻϳ ͷ Meta-analysis óɿ Ͻۡ

48.ROC ߹ߣ ʣy ͼʣx ͼó ߣɱʾȺȵĹϵ 49.Чʵķѡ񻼲 ʸߵȺڲ飺a 飺 ͬʱ飬 ֻҪһԾ жΪԣ ȫʱжΪ b ʵ飺Ⱥ飬ȫ ʱжΪԣ ֻҪһ ԾжΪԣֹͣ顣 50.ȾвѧоȺдȾ չͷֲĹɣԼƶԤ ƺȾĶԲʩѧơ 51.йָ̣ȾȺз ӵĹ̡ 52.ȾԴвԭֳ ųԭ˺Ͷ ˡ ԭЯߡܸȾ 53.DZڵвѧ弰;DZ ڳ̿ӰжϻܸȾ ʱ䣬 ׷ٴȾԴ ;ۼߺ ҽѧ۲ޢԤʩЧ 54 ;ԭӴȾԴų µ׸ǰ ⻷ȫ ̡ 55 Ⱥ׸ԣȺΪһԴȾ ׸г̶ȡ 55 ȻԴԼԭȻе 䴫 һ¿Դ ļϸĵطص㡣 56 Դأһ£ȾԴ ΧԭܲķΧ ܷ µĸȾ²ķΧ Ⱦ Դ߻Я״̬ ĩ DZڣ ׸ûµĸ Ⱦ 57 ƻߣȺ״ չ涨߳ мƻ Ԥ֣Ⱥˮ ƽ ﵽԼĿ ġ 58.Ⱦ 2 ֣ߡң 26 ࣻ 11 ֡ 59.Բԭ򣺼һԤΪ һԤϵԭ 60 һԤԤ ָڼǰ ޲ڣ ԲΣزȡۺ ԤʩĿǷֹټ 61 ڶԤ Ԥ ڼ 緢֡ ϡƣĿǷֹ չ 62 ԤٴԤ ٴڻ ڣ ȡƺͿʩ Ŀ ֹ˲Уٽָܻ ӳ 63 磺硢硢ٰ ƻƼ硢͸ 1 ѭ֤ҽѧٴҽžIJˣ ռʷ 졢 ԼҪʵй ϵĻϣ ӦԼ֪ʶ ٴܣҳ˵Ҫٴ ⣬ һ ۵ǰµ ɹ ȡ֤ݡ ϲ˵ʵ ٴҽƵľ廷ѧ õξߣڲ˵¸ʵʩ Ч 2 ѭ֤ҽѧʵķ ׼Ҫ ⣻ҽѧף ף Ӧ ָ֤ٴߣ ܽᾭ飬 3.ٴ PICO ʽP ضĻ


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