Table 2.
Predictors of ECV success.
| Successful ECV (n) | Unsuccessful ECV (n) | OR | CI | P | |
|---|---|---|---|---|---|
| Age (years) | |||||
| ≤25 | 16 (47%) | 18 (53%) | 1.52 | 0.75 to 3.06 | P = 0.24 |
| 26–30 | 30 (33%) | 60 (67%) | 0.85 | 0.53 to 1.38 | P = 0.52 |
| 31–35 | 66 (36%) | 116 (64%) | 0.97 | 0.68 to 1.39 | P = 0.88 |
| >35 | 51 (39%) | 79 (61%) | 1.10 | 0.79 to 1.65 | P = 0.63 |
| Gestation (weeks) | |||||
| ≤36 | 45 (37%) | 78 (63%) | 0.99 | 0.65to 1.49 | P = 0.95 |
| 37 | 67 (34%) | 131 (66%) | 0.87 | 0.62 to 1.24 | P = 0.45 |
| ≥38 | 44 (41%) | 64 (59%) | 1.18 | 0.76 to 1.80 | P = 0.46 |
| BMI (kg/m2) | |||||
| 15–20 | 31 (50%) | 31 (50%) | 1.71 | 1.00 to 2.91 | P = 0.049 |
| 20.1–25 | 60 (34%) | 117 (68%) | 0.88 | 0.61 to 1.26 | P = 0.48 |
| 25.1–30 | 30 (37%) | 51 (63%) | 1.01 | 0.62 to 1.64 | P = 0.98 |
| ≥30.1 | 13 (32%) | 28 (68%) | 0.79 | 0.40 to 1.57 | P = 0.51 |
| AFI (cm) | |||||
| ≤10 | 36 (27%) | 97 (73%) | 0.63 | 0.41 to 0.97 | P = 0.04 |
| 11 to 15 | 65 (35%) | 119 (65%) | 0.93 | 0.65 to 1.34 | P = 0.71 |
| ≥16 | 39 (55%) | 32 (45%) | 2.08 | 1.26 to 3.45 | P = 0.0044 |
| Parity (number) | |||||
| 0 | 92 (32%) | 197 (68%) | 0.80 | 0.58 to 1.09 | P = 0.16 |
| ≥1 | 64 (47%) | 71 (53%) | 1.54 | 1.04 to 2.27 | P = 0.03 |
| Tocolytic use | |||||
| Yes | 114 (39%) | 178 (61%) | 1.09 | 0.81 to 1.48 | P = 0.56 |
| No | 47 (32%) | 101 (68%) | 0.80 | 0.54 to 1.18 | P = 0.26 |