计量资料常用的检验方法PPT课件

1、12l有度量衡单位有度量衡单位l没有度量衡单位，但是连续性资料没有度量衡单位，但是连续性资料l量表条目的取值（条目等级量表条目的取值（条目等级=5）3lt检验检验（两样本均数比较、样本均数与总体均数比较）（两样本均数比较、样本均数与总体均数比较）l配对配对t检验检验（同体自身前后，配对资料）（同体自身前后，配对资料）lu检验检验（两大样本资料）（两大样本资料）l方差分析方差分析（两组及两组以上）（两组及两组以上）l秩和检验秩和检验（偏态分布资料）（偏态分布资料）l可信区间可信区间45x 表表1 甲乙两组病人年龄状况甲乙两组病人年龄状况 分组分组例数例数 n s 甲组甲组2444.717.1 乙

2、组乙组2745.716.161,122112(22(1nvnvssf，较小）较大）7.,05. 028. 2,128. 11 .161 .17),(222623差异无统计学意义pffvv8group例数例数均数均数标准差标准差方差方差观察组观察组2354.997.5156.40对照组对照组2371.8911.98143.52安慰组安慰组2374.6417.43303.80合计合计6967.1715.48239.639变异来源变异来源ssvmsfp总总 16289.89682603.9615.510.0000组间组间 5207.932167.91 组内组内11081.9666 102,21212

3、1nnvsxxtxx112) 1() 1(2122221121nnsnsnsxx12131415g gr ro ou up p s st ta at ti is st ti ic cs s7247.000096.7384836.563715341.800057.8074425.85227分组试验组对照组指标1nmeanstd.deviationstd. errormean16 levenes te s t for equality o f variances t-test for equalit y o f means fsig.tdfsig. (2-tailed)m e a n differ

4、ences t d . e r r o r difference95% confidence interval o f t h e difference lowerupperequal variances assumed.341.57-1.94210.081-94.800048.82042-203.578613.9786equal variances not assumed -2.1179.81.061-94.800044.77996-194.82725.22727171,/0nvnsxt1819o on ne e- -s sa am mp pl le e s st ta at ti is s

5、t ti ic cs s10687.541.411.043平均睡眠时间nmeanstd.deviationstd. errormeano on ne e- -s sa am mp pl le e t te es st t35.6841067.0001.541.461.63平均睡眠时间tdfsig.(2-tailed)meandifferencelowerupper95% confidenceinterval of thedifferencetest value = 620o on ne e- -s sa am mp pl le e s st ta at ti is st ti ic cs s1

6、07786.740915.40382.46938107773.769737.277781364020.09940.61246107759.761421.02131.64055107761.810614.62732.44571107775.263314.90322.45412107771.302138.732741335212.69912.38696pfrpbpghvtsfremhnmeanstd.deviationstd. errormean21o on ne e- -s sa am mp pl le e t te es st t35.666

7、1076.00016.740915.820017.66193.3191076.0013.76971.54095.998620.1881076.00012.364011.162213.5657-15.9841076.000-10.2386 -11.4955-8.9818-18.3741076.000-8.1894-9.0640-7.314811.5901076.0005.26334.37226.15441.1031076.2701.3021-1.01383.6179-17.2241076.000-6.6648-7.4241-5.9055pfrpbpghvtsfremhtdfsig.(2-tail

8、ed)meandifference lowerupper95% confidenceinterval of thedifferencetest value = 7022x分组分组 n s甲组甲组2936.59.7乙组乙组2734.15.123242522212121nsnsxxu26x 分组分组 n s 甲组甲组 1504.651012/l0.5481012/l乙组乙组 1004.181012/l0.6011012/l2728 fsig.tdfsig. (2-tailed)95% c i lowerupperpf9.818.0021.7261075.085-.228673.56322 1.78

9、1949.232.075-.169763.50432rp29.048.000-3.3791075.001-12.44183-3.30107 -3.268771.525.001-12.60022-3.14268bp4.865.028-.1091075.913-2.614742.33986 -.107810.961.915-2.662782.38791gh2.357.125-.5061075.613-3.258411.92285 -.501839.025.616-3.281561.94600vt1.136.287-2.7541075.006-4.01371-.67393 -2.738846.191

10、.006-4.02424-.66340sf5.311.021-.3141075.753-2.131031.54253 -.308807.166.758-2.169291.58080re11.498.001-2.6581075.008-11.14994-1.67984 -2.582782.991.010-11.29264-1.53714mh4.915.027-7.4181075.000-7.29806-4.24483 -7.283812.239.000-7.32694-4.21595291,对子数vsdtd30表表5 . 三棱莪术液抑瘤试验的效果三棱莪术液抑瘤试验的效果小白鼠小白鼠对子号对子号注

11、注 射射药液组药液组对照组对照组 差值差值 d d2 13.03.6 0.6 0.36 22.34.5 2.2 4.84 32.44.2 1.8 3.24 41.14.4 3.310.89 54.03.7-0.3 0.09 63.75.6 1.9 3.61 72.77.0 4.318.49 81.94.1 2.2 4.84 92.65.0 2.4 5.76101.34.5 3.210.24合计合计21.662.363132组别组别例例数数疗前值疗前值疗后值疗后值前后差值前后差值前后差值前后差值 变化率变化率甲组甲组2585198116-4.05.2-5.65.5%乙组乙组25732875211

12、.78.81.97.9%组间比较组间比较 t值（值（p值）值）.1.771.142.65(p0.05)3.90(p0.01)方差齐性方差齐性检验检验 f 值 （值 （ p值）值）2.86(p0.05)表表6. 两组治疗前后差值（及差值变化率）两组治疗前后差值（及差值变化率）3334p pa ai ir re ed d s sa am mp pl le es s s st ta at ti is st ti ic cs s16.69712084.66662.3235713.65382084.57629.3173116.71432104.66015.3215811.67142104.48406.3

13、094316.71432104.66015.321589.72862104.35260.3003616.78372084.62782.320887.90872084.11974.2856516.73432074.65946.323866.34302074.02821.2799816.85222034.64990.326364.74882033.97778.2791916.91132034.56331.320283.73892033.86221.27107总分0总分1pair1总分0总分2pair2总分0总分3pair3总分0总分4pair4总分0总分5pair5总分0总分6pair6总分0总分

14、7pair7meannstd.deviationstd. errormean35paired samples correlationspaired samples correlations208.798.000210.751.000210.672.000208.585.000207.510.000203.399.000203.358.000总分0 & 总分1pair 1总分0 & 总分2pair 2总分0 & 总分3pair 3总分0 & 总分4pair 4总分0 & 总分5pair 5总分0 & 总分6pair 6总分0 & 总分7pa

15、ir 7ncorrelationsig.36p pa ai ir re ed d s sa am mp pl le es s t te es st t3.04332.93621.203592.64193.444614.948207.0005.04293.23158.223004.60325.482522.614209.0006.98573.66214.252716.48757.483927.643209.0008.87504.00890.277978.32709.423031.928207.00010.39134.33618.301399.797110.985534.478206.00012.

16、10344.76415.3343811.444112.762836.197202.00013.17244.80664.3373612.507213.837639.046202.000总分0 - 总分1pair 1总分0 - 总分2pair 2总分0 - 总分3pair 3总分0 - 总分4pair 4总分0 - 总分5pair 5总分0 - 总分6pair 6总分0 - 总分7pair 7meanstd.deviationstd. errormeanlowerupper95% confidenceinterval of thedifferencepaired differencestdfsig

17、.(2-tailed)37382,2) 1() 1(lglg21212lg22lg12121nnvnnsnsnggtgg3940g g r ro o u u p p s s t ta a t ti is st ti ic cs s10580.0000444.22217140.475388770.6250603.48060213.36261分组试验组对照组抗体滴度nmeanstd. deviationstd. errormeani in nd de ep pe en nd de en nt t s sa ammp pl le es s t te es st t4.640.047-.77316.4

18、51-190.6250246.62692-713.451332.20072-.74612.550.469-190.6250255.45438-744.520363.26962equal variances assumedequal variances notassumedfsig.levenes test forequality of variancestdfsig. (2-tailed)meandifferencestd. errordifferencelowerupper95% confidenceinterval of thedifferencet-test for equality of means4142434445g gr ro ou up p s st ta at ti is st ti ic cs s102.6431.35472.1121782.7102.46103.16300分组试验组对照组lggnmeanstd.deviationstd. errormean46i in nd de ep pe en nd de en nt t s sa am mp pl le es s t te es st t2.525.132-.35016.731-.0671.19196-.47404.33982-.33912.943.740-.0671.19787-.4