Table 1. Patient characteristics.
| Characteristics | ≤2 W, n=227 (%) | ≤3 W, n=56 (%) | >3 W, n=65 (%) | Total, n=348 (%) | P |
|---|---|---|---|---|---|
| Age (years) | 57.6±7.6 | 57.0±8.8 | 59.0±6.8 | 57.8±7.7 | 0.107 |
| Sex (male/female) | 182/45 | 43/13 | 56/9 | 281/67 | 0.399 |
| BMI | 22.4±2.8 | 22.6±2.7 | 23.1±3.0 | 22.6±2.8 | 0.970 |
| Smoker | 87 (38.3) | 27 (48.2) | 30 (46.2) | 144 (41.4) | 0.278 |
| Alcohol | 57 (25.1) | 15 (26.8) | 25 (38.5) | 97 (27.9) | 0.104 |
| Comorbidity | 20 (8.8) | 6 (10.7) | 11 (16.9) | 37 (10.6) | 0.174 |
| Tumor position (up/mid/low) | 25/144/58 | 9/33/14 | 8/51/6 | 42/228/78 | 0.053 |
| TNM stage (I/II/III) | 42/75/110 | 10/17/29 | 9/21/35 | 61/113/174 | 0.900 |
BMI, body mass index; W, weeks.