Table 1.
Records | Hospital A | Other hospitals | Total | ||
No. cases | % (95% CI) | No. cases | % (95% CI) | ||
Incomplete report | 27 | 4.30 (2.68 to 5.92) | 331 | 36.10 (32.92 to 39.27) | 358 |
Suboptimal record of nodes examined, nodes positive, and Dukes’s stage | 10 | 1.59 (0.59 to 2.59) | 161 | 17.56 (15.04 to 20.07) | 171 |
No record of Dukes’s stage but can be inferred | 1 | 0.16 (0.00 to 0.48) | 42 | 4.58 (3.20 to 5.96) | 43 |
No record of nodes examined/positive but Dukes’s stage given | 9 | 1.43 (0.48 to 2.38) | 35 | 3.82 (2.55 to 5.08) | 44 |
Nodes examined and nodes positive recorded but Dukes’s stage not given | 0 | 0.00 | 24 | 2.62 (1.56 to 3.67) | 24 |
Missing ICD code | 11 | 1.75 (0.70 to 2.80) | 57 | 6.22 (4.62 to 7.81) | 68 |
Total | 628 | 100.0 | 917 | 100.0 | 1545 |
CI, confidence interval.