Table 1.
Characteristics of the population in relation to the interval between radiotherapy and surgery
| Patient characteristics and procedures | Length of interval between finishing short-course radiotherapy and surgery |
Total | ||||||
|---|---|---|---|---|---|---|---|---|
| 0–7 days |
8–14 days |
15–27 days |
||||||
| n | % | n | % | n | % | |||
| Total number of patients experiencing each length of interval | 2652 | 76.4 | 656 | 18.9 | 162 | 4.7 | 3469 | |
| Age | <61 years | 679 | 76.9 | 174 | 19.7 | 30 | 3.4 | 883 |
| 61–70 years | 960 | 78.1 | 222 | 18.1 | 48 | 3.9 | 1230 | |
| 71–80 | 816 | 75.4 | 202 | 18.7 | 64 | 5.9 | 1082 | |
| >80 years | 197 | 71.9 | 57 | 20.8 | 20 | 7.3 | 274 | |
| Gender | Male | 1793 | 76.0 | 451 | 19.1 | 114 | 4.8 | 2358 |
| Female | 859 | 77.3 | 204 | 18.4 | 48 | 4.3 | 1111 | |
| Charlson comorbidity index | 0 | 2198 | 76.8 | 547 | 19.1 | 118 | 4.1 | 2863 |
| 1 | 345 | 75.8 | 81 | 17.8 | 29 | 6.4 | 455 | |
| 2+∗ | 109 | 72.2 | 27 | 17.9 | 15 | 9.9 | 151 | |
| Index of Multiple Deprivation quintile | 1 – least deprived | 559 | 76.2 | 139 | 18.9 | 36 | 4.9 | 734 |
| 2 | 640 | 76.9 | 148 | 17.8 | 44 | 5.3 | 832 | |
| 3 | 577 | 78.6 | 127 | 17.3 | 30 | 4.1 | 734 | |
| 4 | 480 | 76.1 | 127 | 20.1 | 24 | 3.8 | 631 | |
| 5 – most deprived | 396 | 73.6 | 114 | 21.2 | 28 | 5.2 | 538 | |
| Stage | I | 527 | 73.5 | 158 | 22.0 | 32 | 4.5 | 717 |
| II | 644 | 77.3 | 152 | 18.3 | 37 | 4.4 | 833 | |
| III and IV∗ | 1209 | 78.8 | 259 | 16.9 | 67 | 4.4 | 1535 | |
| Unknown | 272 | 70.8 | 86 | 22.4 | 26 | 6.8 | 384 | |
| Procedure | Anterior resection | 723 | 71.7 | 226 | 22.4 | 59 | 5.9 | 1008 |
| Abdominoperineal excision | 1659 | 79.0 | 360 | 17.1 | 82 | 3.9 | 2101 | |
| Hartmann's and other∗ | 270 | 75.0 | 69 | 19.2 | 21 | 5.8 | 360 | |
∗
Aggregated to suppress small numbers.