Table 3
Pack-years of smoking by histology and paxillin expression
Pack-year of smoking
Histology
Hyperplasia
14.7 (27.4)
Squamous metaplasia
41.0 (26.7)
Goblet cell metaplasia
56.9 (29.5)
Dysplasia/carcinoma
79.3 (56.0)
Values are mean (SD).