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\u0130statistiklerde olas\u0131l\u0131k oran\u0131<\/strong> bize, bir tedavi grubunda meydana gelen bir olay\u0131n olas\u0131l\u0131\u011f\u0131n\u0131n, bir kontrol grubunda meydana gelen bir olay\u0131n olas\u0131l\u0131\u011f\u0131na oran\u0131n\u0131 anlat\u0131r.<\/span><\/p>\n Bir olas\u0131l\u0131k oran\u0131 rapor etti\u011fimizde genellikle a\u015fa\u011f\u0131dakileri dahil ederiz:<\/span><\/p>\n \u00d6rne\u011fin \u015funun gibi bir \u015feyi bildirebiliriz:<\/span><\/p>\n Sigara i\u00e7en ve i\u00e7meyen gruplar aras\u0131nda herhangi bir hastal\u0131\u011fa yakalanma olas\u0131l\u0131\u011f\u0131 a\u00e7\u0131s\u0131ndan anlaml\u0131 bir fark yoktu (OR = 1,44, %95 GA [0,91, 1,97]).<\/span><\/p>\n<\/blockquote>\n Not<\/strong> : Bir olas\u0131l\u0131k oran\u0131 i\u00e7in g\u00fcven aral\u0131\u011f\u0131 “1” say\u0131s\u0131n\u0131 i\u00e7eriyorsa, bu durumda iki grup aras\u0131nda bir olay\u0131n meydana gelme olas\u0131l\u0131\u011f\u0131 a\u00e7\u0131s\u0131ndan istatistiksel bir fark yoktur. Tam a\u00e7\u0131klamay\u0131 buradan<\/a> okuyun.<\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnekler farkl\u0131 senaryolarda olas\u0131l\u0131k oran\u0131n\u0131n nas\u0131l raporlanaca\u011f\u0131n\u0131 g\u00f6stermektedir.<\/span><\/p>\n Bir basketbol ko\u00e7unun, eski bir antrenman program\u0131na k\u0131yasla belirli bir beceri testini ge\u00e7ebilecek oyuncu say\u0131s\u0131n\u0131 art\u0131r\u0131p art\u0131rmad\u0131\u011f\u0131n\u0131 g\u00f6rmek i\u00e7in yeni bir antrenman program\u0131 kulland\u0131\u011f\u0131n\u0131 varsayal\u0131m.<\/span><\/p>\n Ko\u00e7, her program\u0131 kullanmas\u0131 i\u00e7in 50 oyuncuyu i\u015fe al\u0131r ve her program\u0131 kullanarak pas atan oyuncular\u0131n say\u0131s\u0131n\u0131 kaydeder.<\/span><\/p>\n \u0130ki program aras\u0131ndaki olas\u0131l\u0131k oran\u0131n\u0131n 0,599 oldu\u011funu ve olas\u0131l\u0131k oran\u0131 i\u00e7in %95 g\u00fcven aral\u0131\u011f\u0131n\u0131n [0,245, 1,467] oldu\u011funu buluyor.<\/span><\/p>\n Sonu\u00e7lar\u0131 \u015fu \u015fekilde iletebilir:<\/span><\/p>\n Yeni program\u0131 kullanan oyuncular ile eski program\u0131 kullanan oyuncular aras\u0131nda beceri testini ge\u00e7me olas\u0131l\u0131klar\u0131 a\u00e7\u0131s\u0131ndan anlaml\u0131 bir fark yoktu (OR = 0,599, %95 GA [0,245, 1,467]).<\/span><\/p>\n<\/blockquote>\n Bir doktorun, bir hastan\u0131n apne testini ge\u00e7me \u015fans\u0131nda bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in A ilac\u0131n\u0131 denemek i\u00e7in 20 hastay\u0131 ve B ilac\u0131n\u0131 denemek i\u00e7in 20 hastay\u0131 i\u015fe ald\u0131\u011f\u0131n\u0131 varsayal\u0131m.<\/span><\/p>\n Program A ile Program B aras\u0131ndaki olas\u0131l\u0131k oran\u0131n\u0131n 1,78 oldu\u011funu ve olas\u0131l\u0131k oran\u0131 i\u00e7in %95 g\u00fcven aral\u0131\u011f\u0131n\u0131n [1,57, 1,99] oldu\u011funu bulur.<\/span><\/p>\n Sonu\u00e7lar\u0131 \u015fu \u015fekilde iletebilir:<\/span><\/p>\n A ilac\u0131n\u0131 alan hastalar ile B ilac\u0131n\u0131 alan hastalar aras\u0131nda apne testini ge\u00e7me olas\u0131l\u0131klar\u0131 a\u00e7\u0131s\u0131ndan anlaml\u0131 bir fark vard\u0131 (OR = 1,78, %95 GA [1,57, 1, 99]).<\/span><\/p>\n<\/blockquote>\n Bir \u00f6\u011fretmenin, bir \u00f6\u011frencinin belirli bir s\u0131nav\u0131 ge\u00e7me \u015fans\u0131nda bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in haftal\u0131k \u00e7al\u0131\u015fma program\u0131n\u0131 kullanmak \u00fczere 30 \u00f6\u011frenciyi ve g\u00fcnl\u00fck \u00e7al\u0131\u015fma program\u0131n\u0131 kullanmak \u00fczere 30 \u00f6\u011frenciyi i\u015fe ald\u0131\u011f\u0131n\u0131 varsayal\u0131m.<\/span><\/p>\n Haftal\u0131k program ile g\u00fcnl\u00fck program aras\u0131ndaki odds oran\u0131n\u0131n 1,22 oldu\u011funu ve odds oran\u0131 i\u00e7in %95 g\u00fcven aral\u0131\u011f\u0131n\u0131n [0,91, 1,53] oldu\u011funu buluyor.<\/span><\/p>\n Sonu\u00e7lar\u0131 \u015fu \u015fekilde iletebilir:<\/span><\/p>\n \u0130ki \u00e7al\u0131\u015fma program\u0131 aras\u0131nda s\u0131nav\u0131 ge\u00e7me olas\u0131l\u0131klar\u0131 a\u00e7\u0131s\u0131ndan anlaml\u0131 bir fark yoktu (OR = 1,22, %95 GA [0,91, 1,53]).<\/span><\/p>\n<\/blockquote>\n A\u015fa\u011f\u0131daki e\u011fitimler oran oranlar\u0131n\u0131n nas\u0131l hesaplanaca\u011f\u0131 ve yorumlanaca\u011f\u0131 hakk\u0131nda ek bilgi sa\u011flar:<\/span><\/p>\n Oran oranlar\u0131 nas\u0131l yorumlan\u0131r?<\/a> \u0130statistiklerde olas\u0131l\u0131k oran\u0131 bize, bir tedavi grubunda meydana gelen bir olay\u0131n olas\u0131l\u0131\u011f\u0131n\u0131n, bir kontrol grubunda meydana gelen bir olay\u0131n olas\u0131l\u0131\u011f\u0131na oran\u0131n\u0131 anlat\u0131r. Bir olas\u0131l\u0131k oran\u0131 rapor etti\u011fimizde genellikle a\u015fa\u011f\u0131dakileri dahil ederiz: Olas\u0131l\u0131k oran\u0131n\u0131n de\u011feri Olas\u0131l\u0131k oran\u0131 i\u00e7in g\u00fcven aral\u0131\u011f\u0131 Sorun ba\u011flam\u0131nda olas\u0131l\u0131k oran\u0131n\u0131n nas\u0131l yorumlanaca\u011f\u0131 \u00d6rne\u011fin \u015funun gibi bir \u015feyi bildirebiliriz: Sigara i\u00e7en ve i\u00e7meyen […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2179","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n\n
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\u00d6rnek 1: Antrenman programlar\u0131 aras\u0131ndaki olas\u0131l\u0131k oran\u0131<\/strong><\/span><\/h3>\n
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\u00d6rnek 2: \u0130la\u00e7lar aras\u0131ndaki olas\u0131l\u0131k oran\u0131<\/strong><\/span><\/h3>\n
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\u00d6rnek 3: \u00c7al\u0131\u015fma programlar\u0131 aras\u0131ndaki olas\u0131l\u0131k oran\u0131<\/strong><\/span><\/h3>\n
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Ek kaynaklar<\/strong><\/span><\/h3>\n
Bir olas\u0131l\u0131k oran\u0131 i\u00e7in g\u00fcven aral\u0131\u011f\u0131 nas\u0131l hesaplan\u0131r?<\/a>
Oran oran\u0131 ve g\u00f6receli risk: fark nedir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"