Table 4 Hospital average OE ratio** by risk deciles (n = 468)
Hospital average preoperative risk | Number of hospitals | Average OE ratio | 95% CI | |
|---|---|---|---|---|
lower | upper | |||
Under 2.0% | 21 | 1.15 | 0.68 | 1.62 |
2.0-2.5% | 34 | 1.11 | 1.01 | 1.21 |
2.5-3.0% | 61 | 1.05 | 0.96 | 1.14 |
3.0-3.5% | 59 | 1.11 | 1.03 | 1.19 |
3.5-4.0% | 67 | 1.02 | 0.96 | 1.09 |
4.0-4.5% | 68 | 1.03 | 0.96 | 1.10 |
4.5-5.0% | 49 | 0.95 | 0.89 | 1.00 |
5.0-5.5% | 44 | 0.96 | 0.88 | 1.03 |
5.5-6.0% | 33 | 0.88 | 0.82 | 0.95 |
6.0% and over | 32 | 0.89 | 0.80 | 0.98 |