循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理

循證醫(yī)學(xué)中的常用統(tǒng)計指標(biāo)寇長貴流行病與衛(wèi)生統(tǒng)計學(xué)教研室循證醫(yī)學(xué)中的常用統(tǒng)計指標(biāo)1主要內(nèi)容概述田分類資料的指標(biāo)垂數(shù)值資料的指標(biāo)本ppt主要以四川大學(xué)華西醫(yī)院劉關(guān)鍵教授的課件為參考。主要內(nèi)容2概述一可信區(qū)間數(shù)據(jù)資料可分為數(shù)值資料(計量)和分類資料(計數(shù)和等級)兩大類。統(tǒng)計指標(biāo)因而也分為數(shù)值資料指標(biāo)與分類資料指標(biāo)兩類。統(tǒng)計指標(biāo)可用于描述性的統(tǒng)計分析,也是反映數(shù)據(jù)基本特征的統(tǒng)計分析方法。并可使人們準(zhǔn)確、全面地了解數(shù)據(jù)資料所包涵的信息,以便于在此基礎(chǔ)上完成資料的進一步統(tǒng)計分析。概述一可信區(qū)間3概述一可信區(qū)間可信區(qū)間(confidenceinterval,c)是循證醫(yī)學(xué)中常用的統(tǒng)計指標(biāo)之可信區(qū)間主要用于估計總體參數(shù),從獲取的樣本數(shù)據(jù)資料估計某個指標(biāo)的總體值(參數(shù))。如:率的可信區(qū)間估計總體率,均數(shù)的可信區(qū)間估計總體均數(shù)。概述一可信區(qū)間4概述一可信區(qū)間此外,可信區(qū)間還可用于假設(shè)檢驗,尤其是試驗組與對照組某指標(biāo)差值或比值的可信區(qū)間,在循證醫(yī)學(xué)中更為常用。通常,試驗組與對照組某指標(biāo)差值或比值的95%可信區(qū)間與α為0.05的假設(shè)檢驗等價,99%的C|與α為0.01的假設(shè)檢驗等價。概述一可信區(qū)間5循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理6循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理7循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理8循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理9循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理10循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理11循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理12循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理13循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理14循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理15循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理16循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理17循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理18循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理19循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理20循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理21循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理22循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理23循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理24循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理25循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理26循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理27循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理28循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理29循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理30循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理31循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理32循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理33循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理34循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理35循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理36循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理37循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理38循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理39循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理40循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理41循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理42循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理43循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理44循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理45循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理46循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理47循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理48循證醫(yī)學(xué)中的常用統(tǒng)計指標(biāo)寇長貴流行病與衛(wèi)生統(tǒng)計學(xué)教研室循證醫(yī)學(xué)中的常用統(tǒng)計指標(biāo)49主要內(nèi)容概述田分類資料的指標(biāo)垂數(shù)值資料的指標(biāo)本ppt主要以四川大學(xué)華西醫(yī)院劉關(guān)鍵教授的課件為參考。主要內(nèi)容50概述一可信區(qū)間數(shù)據(jù)資料可分為數(shù)值資料(計量)和分類資料(計數(shù)和等級)兩大類。統(tǒng)計指標(biāo)因而也分為數(shù)值資料指標(biāo)與分類資料指標(biāo)兩類。統(tǒng)計指標(biāo)可用于描述性的統(tǒng)計分析,也是反映數(shù)據(jù)基本特征的統(tǒng)計分析方法。并可使人們準(zhǔn)確、全面地了解數(shù)據(jù)資料所包涵的信息,以便于在此基礎(chǔ)上完成資料的進一步統(tǒng)計分析。概述一可信區(qū)間51概述一可信區(qū)間可信區(qū)間(confidenceinterval,c)是循證醫(yī)學(xué)中常用的統(tǒng)計指標(biāo)之可信區(qū)間主要用于估計總體參數(shù),從獲取的樣本數(shù)據(jù)資料估計某個指標(biāo)的總體值(參數(shù))。如:率的可信區(qū)間估計總體率,均數(shù)的可信區(qū)間估計總體均數(shù)。概述一可信區(qū)間52概述一可信區(qū)間此外,可信區(qū)間還可用于假設(shè)檢驗,尤其是試驗組與對照組某指標(biāo)差值或比值的可信區(qū)間,在循證醫(yī)學(xué)中更為常用。通常,試驗組與對照組某指標(biāo)差值或比值的95%可信區(qū)間與α為0.05的假設(shè)檢驗等價,99%的C|與α為0.01的假設(shè)檢驗等價。概述一可信區(qū)間53循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理54循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理55循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理56循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理57循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理58循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理59循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理60循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理61循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理62循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理63循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理64循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理65循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理66循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理67循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理68循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理69循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理70循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理71循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理72循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理73循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理74循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理75循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理76循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理77循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理78循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理79循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理80循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理81循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理82循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理83循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理84循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理85循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理86循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理87循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理88循證醫(yī)學(xué)中常用統(tǒng)計指標(biāo)課件整理8