|  | Group | ||
---|---|---|---|---|
Patient characteristics | Number of patients | I | II | III |
Total number | 131 | 56 | 26 | 49 |
Male/female | 89/42 | Â | Â | Â |
mean age (years) | 66 | 62 | 61 | 71 |
Elderly (>70 years) | 55 | 16 | 7 | 32 |
Performance (ECOG scale) | Â | Â | Â | Â |
   0/1/2 | 28/76/27 |  |  |  |
Pathology | Â | Â | Â | Â |
Adenocarcinoma | 18 | Â | Â | Â |
Squamous cell carcinoma | 39 | Â | Â | Â |
Large cell carcinoma | 60 | Â | Â | Â |
Undifferentiated carcinoma | 8 | Â | Â | Â |
No pathology | 6 | Â | Â | Â |
TNM stage | Â | Â | Â | Â |
I/IIB | 15/15 | 1/7 | 2/0 | 12/8 |
IIIA/IIIB | 68/32 | 29/18 | 20/4 | 19/10 |
Unclassifiable | 1 | 1 | Â | Â |