The 95% confidence intervals were also calculated and presented along with rates and proportions [46]
The use of pack-years to assess the risk of developing COPD or some other lung diseases has been criticized for being a measure based on the assumption that both smoking intensity and duration are of equal importance.11,16,26 However, some authors argue that it should continue to be used because of its simplicity and because it is a measure that provides information on the cumulative amount of tobacco consumption.9,16,27,28 In this study, COPD risk increases linearly with the increase in pack/years, an aspect that also occurs in the nonparametric model
It just drops away. TV doesnt do it justice with the elevation changes, says Kevin Frisch, a golf industry insider and longtime teaching pro who attended the Masters for 10 years
flatlined why are tobacconists popping up everywhere
There are light-years between the answer that has always been given (concern about health) and everything else (cost, social unacceptability, pregnancy etc)