Associations between clinical characteristics and overall survival
| Characteristics | Total (%) | Alive (%) | Death (%) | P-value† |
|---|---|---|---|---|
| Gender | 0.144 | |||
| Male | 181 (60.3) | 131 (58.0) | 50 (67.6) | |
| Female | 119 (39.7) | 95 (42.0) | 24 (32.4) | |
| Age, years | 0.114 | |||
| ≤ 56 | 159 (53.0) | 126 (55.8) | 33 (44.6) | |
| > 56 | 141 (47.0) | 100 (44.2) | 41 (55.4) | |
| Clinical stage | < 0.001 | |||
| II | 126 (42.0) | 108 (47.8) | 18 (24.3) | |
| III | 174 (58.0) | 118 (52.2) | 56 (75.7) | |
| Tumor grade | 0.071 | |||
| Poor | 12 (4.0) | 8 (3.5) | 4 (5.4) | |
| Moderate | 259 (86.3) | 200 (88.5) | 59 (79.7) | |
| Well | 29 (9.7) | 18 (8.0) | 11 (14.9) | |
| KPS | 0.008 | |||
| 90–100 | 132 (44.0) | 105 (46.5) | 27 (36.5) | |
| 80 | 151 (50.3) | 113 (50.0) | 38 (51.4) | |
| 70 | 17 (5.7) | 8 (3.5) | 9 (12.1) | |
| Surgery | 0.738 | |||
| Dixon | 238 (79.3) | 180 (79.6) | 58 (78.4) | |
| Mile’s | 62 (20.7) | 46 (20.4) | 16 (21.6) | |
| Tumor location | 0.660 | |||
| Distance from anal < 5 cm | 104 (34.7) | 77 (34.1) | 27 (36.5) | |
| Distance from anal ≥ 5 cm | 196 (65.3) | 149 (65.9) | 47 (63.5) |
KPS, Karnofsky performance score. †Log-rank test.