Percentage of Dukes’s stage C cases, by number of nodes examined, for hospital A and the other hospitals
| Hospital | Number of nodes | Total number of cases | Dukes A/B | Dukes C | ||
|---|---|---|---|---|---|---|
| No. cases | % Total (95% CI) | No. cases | % Total (95% CI) | |||
| CI, confidence interval. | ||||||
| A | 1–9 | 88 | 52 | 59.09 (48.61 to 69.57) | 36 | 40.91 (30.43 to 51.39) |
| 10–14 | 129 | 50 | 38.76 (30.18 to 47.34) | 79 | 61.24 (52.66 to 69.82) | |
| 15–19 | 131 | 67 | 51.15 (42.41 to 59.88) | 64 | 48.85 40.12 to 57.59) | |
| ⩾20 | 257 | 131 | 50.97 (44.74 to 57.21) | 126 | 49.03 (42.79 to 55.26) | |
| Total | 605 | 300 | 49.59 (45.54 to 53.65) | 305 | 50.41 (46.35 to 54.48) | |
| Others | 1–9 | 498 | 291 | 58.43 (54.02 to 62.85) | 207 | 41.57 (37.15 to 45.98) |
| 10–14 | 89 | 44 | 49.44 (38.84 to 60.04) | 49 | 55.06 (38.44 to 60.04) | |
| 15–19 | 27 | 14 | 51.85 (32.62 to 71.08) | 13 | 48.15 (28.92 to 67.38 | |
| ⩾20 | 6 | 3 | 50.00 (9.18 to 90.82) | 3 | 50.00 (9.18 to 90.82) | |
| Total | 620 | 352 | 56.77 (52.80 to 60.75) | 272 | 43.87 (39.89 to 47.86) | |