Table III.
Comparison of clinical information between the recurrence group and the newly diagnosed group [n (%)].
| Characteristics | Recurrence group (n=112) | Newly diagnosed group (n=68) | χ2 value | P-value |
|---|---|---|---|---|
| Age (years) | 0.342 | 0.631 | ||
| <65 | 38 (33.93) | 26 (38.24) | ||
| ≥65 | 74 (66.07) | 42 (61.76) | ||
| Sex | 0.079 | 0.868 | ||
| Male | 78 (69.64) | 46 (67.65) | ||
| Female | 34 (30.36) | 22 (32.35) | ||
| BMI (kg/m2) | 0.418 | 0.579 | ||
| <24 | 86 (76.79) | 55 (80.88) | ||
| ≥24 | 26 (23.21) | 13 (19.12) | ||
| Smoking status | 0.880 | 0.377 | ||
| Smoker | 82 (73.21) | 54 (79.41) | ||
| Non-smoker | 30 (26.79) | 14 (20.59) | ||
| Tumor diameter | 0.116 | 0.752 | ||
| <5 cm | 40 (35.71) | 26 (38.24) | ||
| ≥5 cm | 72 (64.29) | 42 (61.76) | ||
| Histological type | 0.095 | 0.878 | ||
| Squamous cell carcinoma | 57 (50.89) | 33 (48.53) | ||
| Adenocarcinoma | 55 (49.11) | 35 (51.47) | ||
| Differentiation | 0.702 | 0.482 | ||
| Mid and low | 81 (72.32) | 53 (77.94) | ||
| High | 31 (27.68) | 15 (22.06) | ||
| TNM stages | 0.142 | 0.755 | ||
| I–II | 46 (41.07) | 26 (38.24) | ||
| III–IV | 66 (58.93) | 42 (61.76) |