Mortality (95% CI) | Mean Parsonnet score | SD | Median Parsonnet score | Range | O:E ratio4-150 | |
Centre 1 | 3.6 (2.7 to 4.7) | 7.0 | 6.8 | 5 | 0 to 39 | 1.0 |
Centre 2 | 3.8 (3.2 to 4.6) | 7.6 | 7.0 | 6 | 0 to 50 | 0.98 |
Centre 3 | 2.7 (2.0 to 3.7) | 6.6 | 6.6 | 5 | 0 to 42 | 0.85 |
Centre 4 | 3.5 (2.8 to 4.4) | 6.2 | 6.3 | 4 | 0 to 34 | 1.13 |
↵4-150 O:E ratio has been calculated working to 0.51 of the Parsonnet score.