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shivaa
‎02-12-2017
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Re: how to account for duration of drug exposure

by Calcite | Level 5 in Statistical Procedures
‎02-12-2017 02:01 AM
‎02-12-2017 02:01 AM
thanks for the reply.  Could I use the 'usage of drug' as a time dependent co-variate in the model and will that account for duration of exposure. I know it solves the problem of immortal time bias.. ... View more

how to account for duration of drug exposure

by Calcite | Level 5 in Statistical Procedures
‎02-11-2017 09:32 PM
‎02-11-2017 09:32 PM
I am studying impact of a medication on survival outcomes. each patient was on this particular medication for different duration of time and outcomes depend on duration of exposure. so i think analysing by users vs non-users will not be adequate. How do I account for duration of exposure into the survival analysis - cox proportional hazard model? ... View more
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