Table 5 Comparison of AJCC TNM stages by smoking status
From: Non-small cell lung cancer in ever-smokers vs never-smokers
Ever-smoker | Never-smoker | ||
|---|---|---|---|
TNM stage | N (%) | N (%) | p value |
All patients | 88 | 67 | |
T-stage | 0.054 | ||
T1a | 4 (4.5) | 1 (1.5) | |
T1b | 13 (14.8) | 11 (16.4) | |
T1c | 7 (8.0) | 2 (3.0) | |
T2 | 2 (2.3) | 8 (11.9) | |
T2a | 14 (15.9) | 12 (17.9) | |
T2b | 10 (11.4) | 5 (7.5) | |
T3 | 14 (15.9) | 9 (13.4) | |
T4 | 24 (27.3) | 19 (28.4) | |
N-stage | 0.002 | ||
N0 | 46 (52.3) | 25 (37.3) | |
N1 | 10 (11.4) | 15 (22.4) | |
N2 | 16 (18.2) | 20 (29.9) | |
N3 | 16 (18.2) | 7 (10.4) | |
M-stage | 0.004 | ||
M0 | 57 (46.8) | 33 (49.3) | |
M1 | 3 (3.4) | 0 (0) | |
M1a | 10 (11.4) | 9 (13.4) | |
M1b | 5 (5.7) | 9 (13.4) | |
M1c | 11 (12.5) | 16 (23.9) | |
M2 | 2 (2.3) | 0 (0) | |
AJCC 8th Edition stage | 0.046 | ||
IA | 1 (1.1) | 0 (0) | |
IA1 | 2 (2.3) | 0 (0) | |
IA2 | 12 (13.6) | 8 (11.9) | |
IA3 | 3 (3.4) | 0 (0) | |
IB | 10 (11.4) | 3 (4.5) | |
IIA | 5 (5.7) | 2 (3.0) | |
IIB | 4 (4.5) | 7 (10.4) | |
IIIA | 10 (11.4) | 5 (7.5) | |
IIIB | 7 (8.0) | 3 (4.5) | |
IIIC | 4 (4.5) | 1 (1.5) | |
IVA | 14 (15.9) | 19 (28.4) | |
IVB | 16 (18.2) | 19 (28.4) | |