Relative hazard and 95% confidence intervals (within parentheses) of dying from rectal cancer from the first five years of follow up by hospital catchment area category stratified by time period of diagnosis
| Period | |||||
|---|---|---|---|---|---|
| Hospital catchment area category | 1973–76 | 1977–80 | 1981–84 | 1985–88 | 1989–92 |
| Regional | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| County | 1.08 (0.97 to 1.19) | 1.02 (0.88 to 1.18) | 0.92 (0.79 to 1.06) | 1.12 (0.95 to 1.38) | 1.01 (0.87 to 1.18) |
| Large local | 0.97 (0.86 to 1.09) | 1.01 (0.86 to 1.19) | 1.00 (0.85 to 1.18) | 1.19 (0.98 to 1.43) | 1.19 (1.01 to 1.40) |
| Small local | 1.10 (0.98 to 1.23) | 1.13 (0.98 to 1.32) | 1.04 (0.90 to 1.22) | 1.24 (1.04 to 1.48) | 1.27 (1.09 to 1.48) |