Table 1.
Characteristics of the subjects enrolled in this study.
| Variables | Screening (FLCCA GWAS) | Validation (Taqman) | ||||
|---|---|---|---|---|---|---|
| Case | Control | p | Case | Control | p | |
| (N = 4107) | (N = 3710) | (N = 779) | (N = 667) | |||
| Age, N (100%) | <0.001 | 0.358 | ||||
| ≤60 | 2028 (49.38) | 2013 (54.26) | 294 (37.74) | 268 (40.18) | ||
| >60 | 2079 (50.62) | 1697 (45.74) | 485 (62.26) | 399 (59.82) | ||
| Gender, N (100%) | 0.781 | |||||
| Male | 0 | 0 | 511 (65.60) | 443 (66.42) | ||
| Female | 4107 (100) | 3710 (100) | 268 (34.40) | 224 (33.58) | ||
| Smoking status, N (100%) | <0.001 | |||||
| Ever | 0 | 0 | 421 (54.04) | 297 (44.53) | ||
| Never | 4107 (100) | 3710 (100) | 358 (45.96) | 370 (55.47) | ||
| Histology type, N (100%) | ||||||
| Squamous cell carcinoma | 654 (15.92) | 203 (26.06) | ||||
| Adenocarcinoma | 3453 (84.08) | 576 (73.94) | ||||