Table 1 Demographic and clinical features of NSCLC patients
|  | NSCLC (n = 891) | ||
|---|---|---|---|
Adenocarcinoma (n = 841 ) | Squamous-cell carcinoma (n = 50 ) | ||
Age at diagnosis | 55.2 ± 12.3 | 63.1 ± 6.8 | |
Sex | male | 351 (41.74%) | 44 (88.00%) |
female | 490 (58.26%) | 6 (12.00%) | |
Smokingstatus | Never smoker | 698 (83.00%) | 16 (32.00%) |
Former smoker | 5 (0.59%) | 6 (12.00%) | |
Current smoker | 138 (16.41%) | 28 (56.00%) | |
T | Tis | 66 (8.06%) | 0 (0%) |
T1a | 256 (31.26%) | 2 (4.08%) | |
T1b | 264 (32.23%) | 7 (14.29%) | |
T1c | 97 (11.84%) | 10 (20.41%) | |
T2a | 86 (10.50%) | 12 (24.49%) | |
T2b | 14 (1.71%) | 6 (12.24%) | |
T3 | 32 (3.91%) | 7 (14.29%) | |
T4 | 4 (0.49%) | 5 (10.02%) | |
N | N0* | 760 (90.37%) | 35 (71.43%) |
N1 | 37 (4.40%) | 9 (18.37%) | |
N2 | 43 (5.11%) | 5 (10.20%) | |
N3 | 1 (0.12%) | 0 (0%) | |
M | M0 | 830 (98.69%) | 49 (100%) |
M1 | 11 (1.31%) | 0 (0%) | |
TNM | 0 | 65 (7.85%) | 0 (0%) |
IA1 | 253 (30.56%) | 2 (4.08%) | |
IA2 | 241 (29.11%) | 6 (12.24%) | |
IA3 | 90 (10.87%) | 7 (14.29%) | |
IB | 73 (8.82%) | 9 (18.37%) | |
IIA | 9 (1.09%) | 4 (8.16%) | |
IIB | 39 (4.71%) | 11 (22.45%) | |
IIIA | 45 (5.43%) | 8 (16.33%) | |
IIIB | 4 (0.48%) | 1 (2.04%) | |
IVA | 9 (1.09%) | 1(2.04%) | |