Table 1 Characteristics of Lung Cancer Patients and Controls
Variable | Cases | Controls | P valuea |
|---|---|---|---|
Numbers | 394 | 545 | |
Sex | 0.012 | ||
Male | 234 | 367 | |
Female | 160 | 178 | |
Age (year) | 58.1 ± 9.4 | 52.3 ± 10.5 | < 0.0001 |
Han Ethnicities | 394 | 545 | |
Smoking status | |||
Non-smokers | 205 | 405 | < 0.001 |
Smokers | 189 | 140 | |
Histological type | |||
Squamous carcinomas | 142 | NA | |
Adenocarcinomas | 221 | NA | |
Adenosquamous carcinomas | 20 | NA | |
Small cell carcinomas | 10 | NA | |
Large cell carcinomas | 1 | NA | |
TNM stages | |||
IA | 10 | NA | |
IB | 27 | NA | |
IIA | 33 | NA | |
IIB | 108 | NA | |
IIIA | 73 | NA | |
IIIB | 79 | NA | |
IV | 63 | NA | |
not classified | 1 | NA |