Table 1. Characteristics of the patients included in the study (N = 231).a .
Characteristic | Group | P | |
---|---|---|---|
Adjuvant chemotherapy | No adjuvant chemotherapy | ||
(n = 80) | (n = 151) | ||
Age, years | 63.0 [45.3-79.1] | 68.3 [34.0-87.9] | < 0.001* |
Sex Male Female |
36 (45.0) 44 (55.0) |
73 (48.3) 78 (51.7) |
0.388† |
Type of surgery Pneumonectomy Lobectomy Other |
12 (15.0) 61 (76.2) 7 (8.7) |
12 (7.9) 134 (88.7) 5 (3.3) |
0.005† |
Histology SCC Adenocarcinoma Other Not available |
21 (26.2) 53 (66.2) 6 (7.5) 0 (0) |
48 (31.8) 92 (60.9) 10 (6.6) 1 (0.7) |
0.747† |
Stage I II III Not available |
2 (2.5) 44 (54.9) 34 (42.5) 0 (0) |
85 (56.3) 41 (27.1) 24 (15.9) 1 (0.7) |
< 0.001† |
Lymph node status N0 N1 N2 Not available |
25 (31.2) 27 (33.7) 27 (33.7) 1 (1.2) |
102 (67.5) 17 (11.3) 14 (9.3) 18 (11.9) |
< 0.001† |
ECOG-PS before chemotherapy 0 1 2 Not available |
22 (27.5) 48 (60.0) 1 (1.2) 9 (11.2) |
- - |
|
Radiation therapy Yes |
13 (16.2) |
5 (3.3) |
SCC: squamous cell carcinoma; and PS: performance status. aValues expressed as median [range] or n (%). *Student’s t-test. †Fisher’s exact test.