Table 1.
Patient Cohort Characteristics.
| Cohort Description | ||
|---|---|---|
| Parameter | n | (%) |
| Median Age | 65 (38–88) | |
| Total | 351 | 100 |
| Male | 243 | 69 |
| Female | 108 | 31 |
| Histology | ||
| Adeno | 205 | 58 |
| Squamous | 146 | 42 |
| Therapy | ||
| OP | 205 | 58 |
| OP/RT | 13 | 4 |
| OP/ChT | 97 | 27 |
| OP/RT/ChT | 36 | 10 |
| Smoking Status | ||
| Non-Smoker | 37 | 11 |
| Ex-Smoker | 184 | 52 |
| Smoker | 128 | 36 |
| No data | 2 | 1 |
| Pathological Stage (7th TNM Edition) | ||
| IA | 37 | 11 |
| IB | 123 | 35 |
| IIA | 24 | 7 |
| IIB | 74 | 21 |
| IIIA | 83 | 24 |
| IIIB | 10 | 3 |
| ECOG | ||
| 0 | 301 | 86 |
| 1 | 46 | 13 |
| 2 | 4 | 1 |
| BMI | ||
| <18.5 | 9 | 3 |
| 18.5 - <25 | 138 | 39 |
| 25 - <30 | 122 | 35 |
| >30 | 81 | 23 |
| No data | 1 | 0 |
OP: operation, RT: radiotherapy, ChT: chemotherapy, ECOG: Eastern Cooperative Oncology Group Performance Status Scale, BMI: Body-Mass-Index.