TableĀ 2

Genealogical index of familiality (GIF) analysis for excess relatedness for all lung cancer cases and for subsets of cases by smoking status from death certificate

ProbandsnCase GIFMean control GIFGIF
p Value
Case dGIFMean control dGIFdGIF
p Value
All lung cancers55445.304.69<0.0014.234.110.057
Non-smoking7845.704.71<0.0014.624.110.020
Smoking17475.674.74<0.0014.324.180.161