Table 1.
Demographics and clinical characteristics of patients, n (%)
|
Variables
|
Number of patients
|
| Age | |
| ≥ 75 and < 80 | 70 (50.4) |
| ≥ 80 | 69 (49.6) |
| Sex | |
| Female | 39 (28.1) |
| Male | 100 (72.9) |
| Marital status | |
| Married | 133 (95.7) |
| Unmarried | 6 (4.3) |
| Smoke | |
| No | 84 (60.4) |
| Yes | 55 (39.6) |
| Drink | |
| No | 102 (73.4) |
| Yes | 37 (26.6) |
| C stage | |
| I-II | 24 (17.3) |
| III-IVa | 93 (66.9) |
| IVb | 22 (15.8) |
| T stage | |
| T1-T2 | 22 (15.8) |
| T3-T4 | 117 (84.2) |
| N stage | |
| Negative | 22 (15.8) |
| Positive | 117 (84.2) |
| M stage | |
| M0 | 117 (84.2) |
| M1 | 22 (15.8) |
| Tumor length | |
| < 6 | 90 (64.7) |
| ≥ 6 | 49 (35.3) |
| Tumor location | |
| Upper thoracic | 34 (24.5) |
| Middle thoracic | 62 (44.6) |
| Lower thoracic | 43 (30.9) |
| ECOG | |
| 0-1 | 133 (95.7) |
| 2 | 6 (4.3) |
| CCI | |
| 0 | 62 (44.6) |
| ≥ 1 | 77 (55.4) |
| NRS2002 | |
| < 3 | 66 (47.5) |
| ≥ 3 | 73 (52.5) |
| BMI | |
| < 18.5 | 32 (23.0) |
| ≥ 18.5 | 107 (77.0) |
| Weight loss | |
| < 10% | 128 (92.1) |
| ≥ 10% | 11 (7.9) |
| Radiation dose | |
| < 60 | 57 (41.0) |
| ≥ 60 | 82 (59.0) |
| Chemotherapy | |
| No | 36 (25.9) |
| Yes | 103 (74.1) |
BMI: Body mass index; ECOG: Eastern Cooperative Oncology Group; CCI: Charlson comorbidity index; NRS2002: Nutritional risk screening 2002.