Table 1.
Patients’ characteristics at baseline
| Characteristic | Total (N = 376) Median (25%,75%) or mea ± SD | ||
|---|---|---|---|
| Age | 60 (53, 65) | ||
| Sex | Female | 158 (42%) | |
| Male | 218 (58%) | ||
| BMI | 23.86 ± 3.2 | ||
| Address | Country | 155 (41.2%) | |
| Town | 221 (58.8%) | ||
| Smoking status | Former | 164 (43.6%) | |
| Never | 43.6 (56.4%) | ||
| Tumor site | RUL | 81 (21.5%) | |
| LUL | 103 (27.4%) | ||
| RLL | 82 (21.8%) | ||
| LLL | 83 (22.1%) | ||
| RML | 27 (7.2%) | ||
| Histologic subtype | Adeno | 233 (62%) | |
| Squamous | 90 (23.9%) | ||
| SCLC | 25 (6.6%) | ||
| Another | 28 (7.4%) | ||
| Differentiation | Well | 66 (17.6%) | |
| Moderately | 90 (23.9%) | ||
| Poorly | 220 (58.5%) | ||
| PIS | Yes | 94 (25%) | |
| No | 282 (75%) | ||
| TNM staging | I | 205 (54.5%) | |
| II | 171 (45.5%) | ||
| ECOG PS | 0–1 | 320 (85.1%) | |
| 2–4 | 56 (14.9%) | ||
| Basic illness | Hypertension | 59 (15.7%) | |
| Diabetes | 20 (5.3%) | ||
| Tumor size | 32.68 ± 16.62 | ||
| Lung function | FEV1 | 2.37 ± 0.63 | |
| FEV1% | 78.65 ± 9.84 | ||
| DLCO | 6.74 ± 1.91 | ||
BMI, body mass index; ECOG PS, Eastern Cooperative Oncology Group performance status; TNM staging, tumor, nodes, metastasis-classification staging; PIS: Pleural invasion status; HOM: History of malignancy; RUL: Right upper lobe; RML: Right middle lobe; RLL: Right lower lobe; LUL: Left upper lobe; LLL: Left lower lobe;