使用Stata進行ROC曲線分析實例分析

roctab mods pre,g

. roccomp mods pre ldh cr abl,g

. roccomp mods? pre ldh cr abl

ROC??????????????????? -Asymptotic Normal–

Obs?????? Area???? Std. Err.????? [95% Conf. Interval]

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pre??????????????? 113???? 0.9273?????? 0.0268??????? 0.87485???? 0.97977

ldh??????????????? 113???? 0.9034?????? 0.0285??????? 0.84752???? 0.95921

cr???????????????? 113???? 0.7998?????? 0.0633??????? 0.67580???? 0.92378

abl??????????????? 113???? 0.1483?????? 0.0444??????? 0.06136???? 0.23528

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Ho: area(pre) = area(ldh) = area(cr) = area(abl)

chi2(3) =?? 189.39?????? Prob>chi2 =?? 0.0000

. rocgold mods? pre ldh cr abl

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ROC?????????????????????????????????????????? Bonferroni

Area???? Std. Err.?????? chi2??? df??Pr>chi2???? Pr>chi2

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pre (standard)????? 0.9273?????? 0.0268

ldh???????????????? 0.9034?????? 0.0285????? 0.6873???? 1???0.4071????? 1.0000

cr????????????????? 0.7998?????? 0.0633????? 4.9712???? 1???0.0258????? 0.0773

abl???????????????? 0.1483?????? 0.0444??? 135.4836???? 1???0.0000????? 0.0000

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. roctab mods pre,d

Detailed report of sensitivity and specificity

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Correctly

Cutpoint????? Sensitivity?? Specificity?? Classified????????? LR+????????? LR-

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( >= .00382 )???? 100.00%???????? 0.00%?????? 24.78%?????? 1.0000

( >= .0053 )????? 100.00%???????? 1.18%?????? 25.66%?????? 1.0119?????? 0.0000

( >= .00681 )???? 100.00%???????? 2.35%?????? 26.55%?????? 1.0241?????? 0.0000

( >= .00703 )???? 100.00%???????? 3.53%?????? 27.43%?????? 1.0366?????? 0.0000

( >= .00819 )???? 100.00%???????? 4.71%?????? 28.32%?????? 1.0494?????? 0.0000

( >= .0102 )????? 100.00%???????? 5.88%?????? 29.20%?????? 1.0625?????? 0.0000

( >= .01031 )???? 100.00%???????? 7.06%?????? 30.09%?????? 1.0759?????? 0.0000

( >= .01236 )???? 100.00%???????? 9.41%?????? 31.86%?????? 1.1039?????? 0.0000

( >= .0135 )????? 100.00%??????? 10.59%?????? 32.74%?????? 1.1184?????? 0.0000

( >= .01361 )???? 100.00%??????? 11.76%?????? 33.63%?????? 1.1333?????? 0.0000

( >= .01409 )???? 100.00%??????? 12.94%?????? 34.51%?????? 1.1486?????? 0.0000

( >= .01531 )???? 100.00%??????? 14.12%?????? 35.40%?????? 1.1644?????? 0.0000

( >= .01704 )???? 100.00%??????? 15.29%?????? 36.28%?????? 1.1806?????? 0.0000

( >= .01739 )???? 100.00%??????? 16.47%?????? 37.17%?????? 1.1972?????? 0.0000

( >= .0175 )????? 100.00%??????? 17.65%?????? 38.05%?????? 1.2143?????? 0.0000

( >= .01765 )???? 100.00%??????? 18.82%?????? 38.94%?????? 1.2319?????? 0.0000

( >= .01915 )???? 100.00%??????? 20.00%?????? 39.82%?????? 1.2500?????? 0.0000

( >= .02164 )???? 100.00%??????? 21.18%?????? 40.71%?????? 1.2687?????? 0.0000

( >= .02345 )???? 100.00%??????? 22.35%?????? 41.59%?????? 1.2879?????? 0.0000

( >= .02392 )???? 100.00%??????? 23.53%?????? 42.48%?????? 1.3077?????? 0.0000

( >= .02456 )???? 100.00%??????? 24.71%?????? 43.36%?????? 1.3281?????? 0.0000

( >= .02502 )???? 100.00%??????? 25.88%?????? 44.25%?????? 1.3492?????? 0.0000

( >= .02676 )???? 100.00%??????? 27.06%?????? 45.13%?????? 1.3710?????? 0.0000

( >= .02719 )???? 100.00%??????? 28.24%?????? 46.02%?????? 1.3934?????? 0.0000

( >= .02971 )???? 100.00%??????? 29.41%?????? 46.90%?????? 1.4167?????? 0.0000

( >= .03233 )???? 100.00%??????? 30.59%?????? 47.79%?????? 1.4407?????? 0.0000

( >= .03243 )???? 100.00%??????? 31.76%?????? 48.67%?????? 1.4655?????? 0.0000

( >= .03558 )???? 100.00%??????? 32.94%?????? 49.56%?????? 1.4912?????? 0.0000

( >= .03689 )???? 100.00%??????? 34.12%?????? 50.44%?????? 1.5179?????? 0.0000

( >= .03716 )???? 100.00%??????? 35.29%?????? 51.33%?????? 1.5455?????? 0.0000

( >= .03743 )???? 100.00%??????? 36.47%?????? 52.21%?????? 1.5741?????? 0.0000

( >= .03931 )???? 100.00%??????? 37.65%?????? 53.10%?????? 1.6038?????? 0.0000

( >= .04133 )???? 100.00%??????? 38.82%?????? 53.98%?????? 1.6346?????? 0.0000

( >= .04146 )???? 100.00%??????? 40.00%?????? 54.87%?????? 1.6667?????? 0.0000

( >= .04217 )???? 100.00%??????? 41.18%?????? 55.75%?????? 1.7000?????? 0.0000

( >= .04241 )???? 100.00%??????? 42.35%?????? 56.64%?????? 1.7347?????? 0.0000

( >= .04371 )???? 100.00%??????? 43.53%?????? 57.52%?????? 1.7708?????? 0.0000

( >= .04376 )???? 100.00%??????? 44.71%?????? 58.41%?????? 1.8085?????? 0.0000

( >= .04423 )???? 100.00%??????? 45.88%?????? 59.29%?????? 1.8478?????? 0.0000

( >= .04763 )???? 100.00%??????? 47.06%?????? 60.18%?????? 1.8889?????? 0.0000

( >= .04788 )???? 100.00%??????? 48.24%?????? 61.06%?????? 1.9318?????? 0.0000

( >= .0508 )????? 100.00%??????? 49.41%?????? 61.95%?????? 1.9767?????? 0.0000

( >= .05191 )???? 100.00%??????? 50.59%?????? 62.83%?????? 2.0238?????? 0.0000

( >= .05406 )???? 100.00%??????? 51.76%?????? 63.72%?????? 2.0732?????? 0.0000

( >= .05513 )???? 100.00%??????? 52.94%?????? 64.60%?????? 2.1250?????? 0.0000

( >= .05603 )???? 100.00%??????? 54.12%?????? 65.49%?????? 2.1795?????? 0.0000

( >= .05649 )???? 100.00%??????? 55.29%?????? 66.37%?????? 2.2368?????? 0.0000

( >= .05758 )???? 100.00%??????? 56.47%?????? 67.26%?????? 2.2973?????? 0.0000

( >= .0593 )????? 100.00%??????? 57.65%?????? 68.14%?????? 2.3611?????? 0.0000

( >= .05947 )????? 96.43%??????? 57.65%?????? 67.26%?????? 2.2768?????? 0.0620

( >= .06098 )????? 96.43%??????? 58.82%?????? 68.14%?????? 2.3418?????? 0.0607

( >= .0614 )?????? 96.43%??????? 60.00%?????? 69.03%?????? 2.4107?????? 0.0595

( >= .07237 )????? 92.86%??????? 60.00%?????? 68.14%?????? 2.3214?????? 0.1190

( >= .07364 )????? 92.86%??????? 61.18%?????? 69.03%?????? 2.3918?????? 0.1168

( >= .07581 )????? 92.86%??????? 62.35%?????? 69.91%?????? 2.4665?????? 0.1146

( >= .07946 )????? 92.86%??????? 63.53%?????? 70.80%?????? 2.5461?????? 0.1124

( >= .08124 )????? 92.86%??????? 64.71%?????? 71.68%?????? 2.6310?????? 0.1104

( >= .08678 )????? 92.86%??????? 65.88%?????? 72.57%?????? 2.7217?????? 0.1084

( >= .08864 )????? 92.86%??????? 67.06%?????? 73.45%?????? 2.8189?????? 0.1065

( >= .09364 )????? 92.86%??????? 68.24%?????? 74.34%?????? 2.9233?????? 0.1047

( >= .09599 )????? 92.86%??????? 69.41%?????? 75.22%?????? 3.0357?????? 0.1029

( >= .10633 )????? 89.29%??????? 69.41%?????? 74.34%?????? 2.9190?????? 0.1544

( >= .10826 )????? 89.29%??????? 70.59%?????? 75.22%?????? 3.0357?????? 0.1518

( >= .10833 )????? 89.29%??????? 71.76%?????? 76.11%?????? 3.1622?????? 0.1493

( >= .11039 )????? 89.29%??????? 72.94%?????? 76.99%?????? 3.2997?????? 0.1469

( >= .11556 )????? 85.71%??????? 72.94%?????? 76.11%?????? 3.1677?????? 0.1959

( >= .12284 )????? 85.71%??????? 74.12%?????? 76.99%?????? 3.3117?????? 0.1927

( >= .12624 )????? 85.71%??????? 75.29%?????? 77.88%?????? 3.4694?????? 0.1897

( >= .12727 )????? 85.71%??????? 76.47%?????? 78.76%?????? 3.6429?????? 0.1868

( >= .12873 )????? 85.71%??????? 77.65%?????? 79.65%?????? 3.8346?????? 0.1840

( >= .13795 )????? 85.71%??????? 78.82%?????? 80.53%?????? 4.0476?????? 0.1812

( >= .1432 )?????? 85.71%??????? 80.00%?????? 81.42%?????? 4.2857?????? 0.1786

( >= .14782 )????? 82.14%??????? 80.00%?????? 80.53%?????? 4.1071?????? 0.2232

( >= .14949 )????? 82.14%??????? 81.18%?????? 81.42%?????? 4.3638?????? 0.2200

( >= .1504 )?????? 82.14%??????? 82.35%?????? 82.30%?????? 4.6548?????? 0.2168

( >= .16177 )????? 82.14%??????? 83.53%?????? 83.19%?????? 4.9872?????? 0.2138

( >= .16314 )????? 82.14%??????? 84.71%?????? 84.07%?????? 5.3709?????? 0.2108

( >= .17659 )????? 82.14%??????? 85.88%?????? 84.96%?????? 5.8185?????? 0.2079

( >= .17736 )????? 78.57%??????? 85.88%?????? 84.07%?????? 5.5655?????? 0.2495

( >= .17874 )????? 78.57%??????? 87.06%?????? 84.96%?????? 6.0714?????? 0.2461

( >= .19822 )????? 78.57%??????? 88.24%?????? 85.84%?????? 6.6786?????? 0.2429

( >= .23909 )????? 78.57%??????? 89.41%?????? 86.73%?????? 7.4206?????? 0.2397

( >= .24636 )????? 75.00%??????? 89.41%?????? 85.84%?????? 7.0833?????? 0.2796

( >= .26112 )????? 75.00%??????? 90.59%?????? 86.73%?????? 7.9687?????? 0.2760

( >= .34388 )????? 75.00%??????? 91.76%?????? 87.61%?????? 9.1071?????? 0.2724

( >= .41857 )????? 75.00%??????? 92.94%?????? 88.50%????? 10.6250?????? 0.2690

( >= .44136 )????? 71.43%??????? 92.94%?????? 87.61%????? 10.1190?????? 0.3074

( >= .51026 )????? 71.43%??????? 94.12%?????? 88.50%????? 12.1429?????? 0.3036

( >= .52563 )????? 67.86%??????? 94.12%?????? 87.61%????? 11.5357?????? 0.3415

( >= .54136 )????? 67.86%??????? 95.29%?????? 88.50%????? 14.4197?????? 0.3373

( >= .54198 )????? 64.29%??????? 95.29%?????? 87.61%????? 13.6607?????? 0.3748

( >= .59103 )????? 64.29%??????? 96.47%?????? 88.50%????? 18.2143?????? 0.3702

( >= .60721 )????? 64.29%??????? 97.65%?????? 89.38%????? 27.3214?????? 0.3657

( >= .69305 )????? 64.29%??????? 98.82%?????? 90.27%????? 54.6430?????? 0.3614

( >= .74518 )????? 60.71%??????? 98.82%?????? 89.38%????? 51.6073?????? 0.3975

( >= .84005 )????? 60.71%?????? 100.00%?????? 90.27%??????????????????? 0.3929

( >= .84678 )????? 57.14%?????? 100.00%?????? 89.38%??????????????????? 0.4286

( >= .85097 )????? 53.57%?????? 100.00%?????? 88.50%??????????????????? 0.4643

( >= .86829 )????? 50.00%?????? 100.00%?????? 87.61%??????????????????? 0.5000

( >= .92791 )????? 46.43%?????? 100.00%?????? 86.73%??????????????????? 0.5357

( >= .92918 )????? 42.86%?????? 100.00%?????? 85.84%??????????????????? 0.5714

( >= .93128 )????? 39.29%?????? 100.00%?????? 84.96%??????????????????? 0.6071

( >= .93165 )????? 35.71%?????? 100.00%?????? 84.07%??????????????????? 0.6429

( >= .94542 )????? 32.14%?????? 100.00%?????? 83.19%??????????????????? 0.6786

( >= .95914 )????? 28.57%?????? 100.00%?????? 82.30%??????????????????? 0.7143

( >= .99376 )????? 25.00%?????? 100.00%?????? 81.42%??????????????????? 0.7500

( >= .99519 )????? 21.43%?????? 100.00%?????? 80.53%??????????????????? 0.7857

( >= .99814 )????? 17.86%?????? 100.00%?????? 79.65%??????????????????? 0.8214

( >= .99972 )????? 14.29%?????? 100.00%?????? 78.76%??????????????????? 0.8571

( >= .99992 )?????? 7.14%?????? 100.00%?????? 76.99%??????????????????? 0.9286

( >= .99995 )?????? 3.57%?????? 100.00%?????? 76.11%??????????????????? 0.9643

( >? .99995 )?????? 0.00%?????? 100.00%?????? 75.22%??????????????????? 1.0000

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