Characteristics | Patients N, (%) | Median survival (months) | 5-year survival (%) | P |
---|---|---|---|---|
Age | Â | Â | Â | .421 |
≤65 years | 156 (47) | 98 | 56 |  |
>65Â years | 179 (53) | NR | 60 | Â |
Sex | Â | Â | Â | .220 |
Female | 82 (24) | 190 | 64 | Â |
Male | 253 (76) | 98 | 56 | Â |
Smoking status | Â | Â | Â | .257 |
Never | 15 (5) | 19 | 43 | Â |
Previous | 105 (31) | 84 | 55 | Â |
Present | 215 (64) | NR | 60 | Â |
Performance status | Â | Â | Â | .016 |
0 | 197 (59) | NR | 63 | Â |
1 | 120 (36) | 64 | 52 | Â |
2 | 18 (5) | 25 | 33 | Â |
Weight loss | Â | Â | Â | .759 |
<10Â % | 303 (90) | 190 | 58 | Â |
>10Â % | 32 (10) | 98 | 57 | Â |
Histology | Â | Â | Â | .028 |
Squamous cell carcinoma | 191 (57) | NR | 66 | Â |
Adenocarcinoma | 113 (34) | 54 | 46 | Â |
Large cell carcinoma | 31 (9) | 98 | 56 | Â |
Differentiation | Â | Â | Â | <.001 |
Poor | 138 (41) | 47 | 47 | Â |
Moderate | 144 (43) | 190 | 65 | Â |
Well | 53 (16) | NR | 68 | Â |
Surgical procedure | Â | Â | Â | 0.007 |
Wedge + Lobectomy | 243 (73) | 190 | 62 |  |
Pneumectomy | 92 (27) | 37 | 47 | Â |
Pathological stage | Â | Â | Â | <.001 |
pI | 157 (47) | NR | 72 | Â |
pII | 136 (41) | 62 | 51 | Â |
pIIIA | 42 (12) | 17 | 24 | Â |
Tumor stage | Â | Â | Â | <.001 |
1 | 85 (25) | 190 | 75 | Â |
2 | 188 (56) | 84 | 57 | Â |
3 | 62 (19) | 25 | 37 | Â |
Nodal stage | Â | Â | Â | <.001 |
0 | 232 (69) | NR | 67 | Â |
1 | 76 (23) | 35 | 43 | Â |
2 | 27 (8) | 18 | 18 | Â |
Surgical margins | Â | Â | Â | .374 |
Free | 307 (92) | 190 | 59 | Â |
Not free | 28 (8) | 47 | 48 | Â |
Vascular infiltration | Â | Â | Â | <.001 |
No | 284 (85) | 190 | 62 | Â |
Yes | 51 (15) | 27 | 33 | Â |