Characteristics of patients based on the stage
| Variable | Total (n = 946) | Stage II (n = 640) | Stage III (n = 306) | P-value | |||||
|---|---|---|---|---|---|---|---|---|---|
| Age (mean ± SD) | 58.5 ± 10.71 | 58.07 ± 10.86 | 59.28 ± 10.35 | 0.102 | |||||
| Female (n, %) | 429 (45.3%) | 282 (44.1%) | 147 (48%) | 0.264 | |||||
| Height (cm, mean ± SD) | 166.3 ± 10.46 | 166.33 ± 10.62 | 166.24 ± 10.15 | 0.90 | |||||
| Removed LNs (mean ± SD) | 15.88 ± 9.49 | 16.06 ± 9.69 | 15.49 ± 9.06 | 0.381 | |||||
| Involved LNs (mean ± SD) | 0.89 ± 2.91 | 1 ± 2.84 | 1 ± 3.04 | 0.10 | |||||
| Grading (n, %) | |||||||||
| 1 | 160 (16.9) | 105 (16.4) | 55 (18.0) | 0.413 | |||||
| 2 | 316 (33.4) | 205 (32.0) | 11 (36.3) | ||||||
| 3 | 282 (29.8) | 197 (30.8) | 85 (27.8) | ||||||
| 4 | 188 (19.9) | 133 (20.8) | 55 (18.0) | ||||||