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st: Informative censoring in a dental pain study
I am seeking to analyze time from tooth extraction to time to a 30%
reduction in pain with 4 active treatment arms and a placebo control in a 24
hr randomized, double-blind clinical trial. The dilemma is that after 1
hour, patients in sufficient pain are permitted to drop out of the study and
take rescue medication. Hence, this appears to be a case of informative
Can list members suggest how to estimate an appropriate model in STATA (or
Mark E. Boye MBA, MPH, Ph.D.
Sr. Outcomes Research Scientist
WW Outcomes Research
Midwest/Ann Arbor Development Site
2800 Plymouth Road
Ann Arbor, MI 48015-2430
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