Open aminadibi opened 7 years ago
@shahzadg and I think maybe average PYs is significantly higher in former smokers. To test for this, let's compare average packyears at the time of death for former and current smokers.
Former smokers:
Current smokers:
@shahzadg check this out. Seems current smokers still have higher PYs at the time of death, compared with former smokers. Not clear why former smokers ppl have higher mortality.
And if death by COPD is disabled, we still have:
Former Smokers:
Current Smokers: