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| WWHAM score | Appropriate outcome, n (%) | Total (n) | Odds ratio | 95% CI |
|---|---|---|---|---|
| 0 | 27 (21.1) | 128 | – | – |
| 1 | 28 (29.5) | 95 | 1.56 | 0.85 to 2.88 |
| 2 | 46 (52.3) | 88 | 4.10 | 2.26 to 7.45 |
| 3 | 21 (61.8) | 34 | 6.95* | 3.20 to 15.10 |
| 4 | 5 (83.3) | 6 |
*Categories 3 and 4 combined due to small numbers.
