The data comprise ages in days at first fracture and start of treatment with a thiazolidinedione antidiabetic. There are 2000 simulated cases based on Douglas et al (2009). Observation is curtailed at the end of treatment.
A data frame containing 2000 rows and 6 columns. The column names are 'case' (individual identifier), 'frac' (age at fracture), 'sta' (age on the first day of the observation period), 'end' (age on last day of the observation period), 'adi' (age at first day of antidiabetic treatment), 'type' (fracture type: 1 for foot/ankle/wrist/hand, 2 for hip, 3 for spine).
Douglas, I. J., Evans, S. J., Pocock, S. and Smeeth L. (2009). The risk of fractures associated with thiazolidinediones: A self-controlled case-series study. PLoS Medicine 6 (9), e1000154.
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