Table 3 Expected probability of a live birth based on La Marca model versus observed live birth
From: External validation of anti-Müllerian hormone based prediction of live birth in assisted conception
Probability of live birth | Live birth | No live birth | ||||||
|---|---|---|---|---|---|---|---|---|
Age-AMH Group | Covariate pattern | Observed | Predicted | Observed | Expected | Observed | Expected | Total |
1 | Age > 37; AMH < 0.4 | 0.0870 | 0.0532 | 2 | 1.22 | 21 | 21.78 | 23 |
2 | Age > 37; AMH 0.4 - 2.8 | 0.1557 | 0.1824 | 33 | 38.67 | 179 | 173.3 | 212 |
3 | Age > 37; AMH > = 2.8 | 0.2203 | 0.2850 | 13 | 16.81 | 46 | 42.19 | 59 |
4 | Age 31–37; AMH < 0.4 | 0.1429 | 0.0863 | 3 | 1.81 | 18 | 19.19 | 21 |
5 | Age 31–37; AMH 0.4 - 2.8 | 0.3396 | 0.2729 | 72 | 57.85 | 140 | 154.1 | 212 |
6 | Age 31–37; AMH > = 2.8 | 0.3911 | 0.4013 | 70 | 71.83 | 109 | 107.2 | 179 |
7 | Age < 31; AMH < 0.4 | 0.0000 | 0.1335 | 0 | 0.13 | 1 | 0.87 | 1 |
8 | Age < 31; AMH 0.4 - 2.8 | 0.3235 | 0.3799 | 11 | 12.92 | 23 | 21.08 | 34 |
9 | Age < 31; AMH > = 2.8 | 0.4691 | 0.5225 | 38 | 42.32 | 43 | 38.68 | 81 |