Relative hazard and 95% confidence intervals (within parentheses) of dying from rectal cancer from the first five years of follow up by time period of diagnosis, stratified by hospital catchment area category
| Hospital catchment area category | ||||
|---|---|---|---|---|
| Period | Regional | County | Large local | Small local |
| 1973–76 | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) | 1.00 (reference) |
| 1977–80 | 0.86 (0.77 to 1.00) | 0.83 (0.72 to 0.96) | 0.91 (0.79 to 1.06) | 0.91 (0.79 to 1.04) |
| 1981–84 | 0.83 (0.73 to 0.95) | 0.71 (0.61 to 0.82) | 0.86 (0.74 to 1.00) | 0.79 (0.69 to 0.91) |
| 1985–88 | 0.67 (0.58 to 0.76) | 0.70 (0.60 to 0.81) | 0.82 (0.70 to 0.95) | 0.76 (0.66 to 0.87) |
| 1989–92 | 0.63 (0.54 to 0.74) | 0.59 (0.50 to 0.70) | 0.77 (0.65 to 0.91) | 0.72 (0.62 to 0.84) |