Table 1.
Demographic and case mix characteristics of cases 1990-4
| Characteristic | No (%) of cases (n=3135) |
|---|---|
| Age group (years) | |
| <60 | 686 (21.9) |
| 60-69 | 828 (26.4) |
| 70-79 | 1071 (34.2) |
| ⩾80 | 550 (17.6) |
| Sex | |
| Male | 1701 (54.3) |
| Female | 1434 (45.7) |
| Townsend deprivation fifth | |
| 1 | 753 (24.0) |
| 2 | 615 (19.6) |
| 3 | 526 (16.8) |
| 4 | 500 (15.9) |
| 5 | 558 (17.8) |
| Not known | 183 (5.8) |
| Duke’s stage | |
| A | 93 (3.0) |
| B | 1319 (42.1) |
| C | 740 (23.6) |
| D | 643 (20.5) |
| Not known | 340 (10.8) |
| Consultant workload (cases per year) | |
| ⩽9.7 | 617 (19.7) |
| 9.8-12.7 | 685 (21.9) |
| 12.8-16.1 | 604 (19.3) |
| 16.2-24.9 | 599 (19.1) |
| ⩾25.0 | 614 (19.6) |
| Not known | 16 (0.5) |
| Consultant experience (years) | |
| ⩽13 | 612 (19.5) |
| 14-17 | 639 (20.4) |
| 18-22 | 753 (24.0) |
| 23-30 | 443 (14.1) |
| ⩾31 | 568 (18.1) |
| Not known | 120 (3.8) |
| Hospital workload (per year) | |
| ⩽23 | 600 (19.1) |
| 24-32 | 643 (20.5) |
| 33-46 | 584 (18.6) |
| 47-54 | 571 (18.2) |
| ⩾55 | 737 (23.5) |
| Tumour site | |
| Right colon | 882 (28.1) |
| Total colon | 204 (6.5) |
| Left colon | 895 (28.5) |
| Rectum | 1073 (34.2) |
| Multiple | 68 (2.2) |
| Not known | 13 (0.4) |