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Comparing two prevalence rates in a two-phase design study.
Zhou XH, Castelluccio P, Hui SL, Rodenberg CA. Zhou XH, et al. Stat Med. 1999 May 30;18(10):1171-82. doi: 10.1002/(sici)1097-0258(19990530)18:10<1171::aid-sim113>3.0.co;2-u. Stat Med. 1999. PMID: 10363338
Correcting for verification bias in studies of a diagnostic test's accuracy.
Zhou XH. Zhou XH. Stat Methods Med Res. 1998 Dec;7(4):337-53. doi: 10.1177/096228029800700403. Stat Methods Med Res. 1998. PMID: 9871951 Review.
COMPROC and CHECKNORM: computer programs for comparing accuracies of diagnostic tests using ROC curves in the presence of verification bias.
Zhou XH, Higgs RE. Zhou XH, et al. Comput Methods Programs Biomed. 1998 Nov;57(3):179-86. doi: 10.1016/s0169-2607(98)00060-1. Comput Methods Programs Biomed. 1998. PMID: 9822855
COMPROC compensates for verification bias by implementing the maximum likelihood (ML) estimation of the areas and covariance matrix of two ROC curves under the missing at random (MAR) assumption as described by Zhou (Biometrics 54 (1998) 349-366). ...
COMPROC compensates for verification bias by implementing the maximum likelihood (ML) estimation of the areas and covariance matrix of two R …
Confidence intervals for the log-normal mean.
Zhou XH, Gao S. Zhou XH, et al. Stat Med. 1997 Apr 15;16(7):783-90. doi: 10.1002/(sici)1097-0258(19970415)16:7<783::aid-sim488>3.0.co;2-2. Stat Med. 1997. PMID: 9131765
An empirical Bayes method for studying variation in knee replacement rates.
Zhou XH, Katz BP, Holleman E, Melfi CA, Dittus R. Zhou XH, et al. Stat Med. 1996 Sep 15-30;15(17-18):1875-84. doi: 10.1002/(SICI)1097-0258(19960915)15:17<1875::AID-SIM399>3.0.CO;2-4. Stat Med. 1996. PMID: 8888480
A simple method for comparing correlated ROC curves using incomplete data.
Zhou XH, Gatsonis CA. Zhou XH, et al. Stat Med. 1996 Aug 15;15(15):1687-93. doi: 10.1002/(SICI)1097-0258(19960815)15:15<1687::AID-SIM324>3.0.CO;2-S. Stat Med. 1996. PMID: 8858790 Clinical Trial.
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