From: Genetic polymorphisms of NAMPT related with susceptibility to esophageal Squamous cell carcinoma
Characteristics | Cases (n = 405) | Controls (n = 405) | P | ||
---|---|---|---|---|---|
n | % | n | % | ||
Age (year; mean ± SD) | 60.89 ± 7.83 | 60.93 ± 7.91 | 0.87a | ||
Gender | |||||
Male | 240 | 59.26 | 240 | 59.26 | - |
Female | 165 | 40.74 | 165 | 40.74 | |
Tobacco smoking | |||||
Ever | 183 | 45.19 | 171 | 42.22 | 0.43b |
Never | 222 | 54.81 | 234 | 57.78 | |
Alcohol consumption | |||||
Ever | 117 | 28.89 | 96 | 23.70 | 0.11b |
Never | 288 | 71.11 | 309 | 76.30 |