Adjusted analysis of HRs (95% CLs) of deaths from colorectal cancer by time from diagnosis (days) to commencement of specified treatment: South Australians major public hospitals, diagnoses 2000–2010*
| Treatment | Time | Follow-up time from diagnoses | |||
| ≤2 years | 3–10 years | ||||
| Number of cases | HR (95% CL)s | Number of cases | HR (95% CL)s | ||
| Surgical treatment (surgery cases) | <30 | 988 | 1.00 | 714 | 1.00 |
| 31–60 | 355 | 0.57 (0.40 to 0.82) | 302 | 0.92 (0.62 to 1.36) | |
| 61–90 | 100 | 0.59 (0.35 to 1.02) | 76 | 1.13 (0.60 to 2.10) | |
| >90 | 232 | 0.59 (0.41 to 0.84) | 186 | 1.24 (0.85 to 1.83) | |
| Radiotherapy (radiotherapy cases) | <30 | 129 | 1.00 | 87 | 1.00 |
| 31–60 | 233 | 0.85 (0.54 to 1.32) | 173 | 1.00 (0.59 to 1.72) | |
| 61–90 | 107 | 0.44 (0.23 to 0.84) | 89 | 1.26 (0.70 to 2.27) | |
| >90 | 147 | 0.62 (0.40 to 0.98) | 89 | 1.60 (0.90 to 2.85) | |
| Chemotherapy (chemotherapy cases) | <30 | 238 | 1.00 | 120 | 1.00 |
| 31–60 | 633 | 0.71 (0.55 to 0.92) | 459 | 0.98 (0.66 to 1.47) | |
| 61–90 | 382 | 0.51 (0.38 to 0.70) | 289 | 1.01 (0.65 to 1.55) | |
| >90 | 303 | 0.40 (0.30 to 0.55) | 233 | 1.04 (0.68 to 1.59) | |
| Any treatment (surgery cases) | <30 | 1030 | 1.00 | 744 | 1.00 |
| 31–60 | 428 | 0.59 (0.43 to 0.81) | 361 | 0.94 (0.66 to 1.33) | |
| 61–90 | 118 | 0.48 (0.43 to 0.81) | 95 | 1.11 (0.66 to 1.89) | |
| >90 | 99 | 0.62 (0.37 to 1.02) | 78 | 1.83 (1.12 to 2.98) | |
*Four Cox proportional hazards regression analyses (one per treatment category), adjusting for age, sex, socioeconomic status, service accessibility, local health network, subsite, stage, grade and diagnostic period (tables 2 and 3); date of censoring of live cases: 31 December 2012.
CL, confidence limit.