GA (wks) | NICHD calculator | Optimistic information, mean (+/−SD) | P value* | Pessimistic information, mean (+/− SD) | P value** |
---|---|---|---|---|---|
23 | 89% | 0.87 (0.15) | 0.545 | 0.90 (0.08) | 0.218 |
24 | 70% | 0.71 (0.12) | 0.306 | 0.73 (0.13) | 0.049 |
25 | 15% | 0.50 (0.11) | < 0.001 | 0.54 (0.08) | < 0.001 |