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37 results
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The B-value: a tool for monitoring data.
Lan KK, Wittes J. Lan KK, et al. Biometrics. 1988 Jun;44(2):579-85. Biometrics. 1988. PMID: 3390511
Spending functions and continuous-monitoring boundaries.
Proschan MA, Lan KK. Proschan MA, et al. Among authors: lan kk. Stat Med. 2012 Nov 10;31(25):3024-30. doi: 10.1002/sim.5481. Epub 2012 Jul 16. Stat Med. 2012. PMID: 22807204
An aid to data monitoring in long-term clinical trials.
Halperin M, Lan KK, Ware JH, Johnson NJ, DeMets DL. Halperin M, et al. Among authors: lan kk. Control Clin Trials. 1982 Dec;3(4):311-23. doi: 10.1016/0197-2456(82)90022-8. Control Clin Trials. 1982. PMID: 7160189 No abstract available.
Monitoring boundaries for adverse effects in long-term clinical trials.
Lan KK, Friedman L. Lan KK, et al. Control Clin Trials. 1986 Mar;7(1):1-7. doi: 10.1016/0197-2456(86)90002-4. Control Clin Trials. 1986. PMID: 3956208
Rank tests for survival analysis: a comparison by analogy with games.
Lan KK, Wittes JT. Lan KK, et al. Biometrics. 1985 Dec;41(4):1063-9. Biometrics. 1985. PMID: 4096917
Sequential monitoring of survival data with the Wilcoxon statistic.
Lan KK, Rosenberger WF, Lachin JM. Lan KK, et al. Biometrics. 1995 Sep;51(3):1175-83. Biometrics. 1995. PMID: 7548701
Changing frequency of interim analysis in sequential monitoring.
Lan KK, DeMets DL. Lan KK, et al. Biometrics. 1989 Sep;45(3):1017-20. Biometrics. 1989. PMID: 2790114
Implementation of group sequential logrank tests in a maximum duration trial.
Lan KK, Lachin JM. Lan KK, et al. Biometrics. 1990 Sep;46(3):759-70. Biometrics. 1990. PMID: 2242413
Sequential monitoring for comparison of changes in a response variable in clinical studies.
Wu MC, Lan KK. Wu MC, et al. Among authors: lan kk. Biometrics. 1992 Sep;48(3):765-79. Biometrics. 1992. PMID: 1420840 Clinical Trial.
A comparison of sample size methods for the logrank statistic.
Lakatos E, Lan KK. Lakatos E, et al. Among authors: lan kk. Stat Med. 1992 Jan 30;11(2):179-91. doi: 10.1002/sim.4780110205. Stat Med. 1992. PMID: 1579757
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