Table 1 The obstetric outcomes of RFA procedures according to the indications
Total N (%) | TTTS N (%) | sFGR N (%) | Anomaly N (%) | TRAP N (%) | P | |
|---|---|---|---|---|---|---|
Numbers | 143 | 48 | 52 | 33 | 10 | |
PPROM | 24 (16.7) | 10 (20.8) | 11 (21.2) | 2 (6.0) | 1 (10.0) | 0.233 |
Preterm Labor | 30 (20.9) | 10 (20.8) | 13 (25.0) | 5 (15.1) | 2 (20.0) | 0.731 |
Mean GA at delivery (weeks) | 34.6 | 33.6 | 34.6 | 36.1 | 34.5 | 0.012 |
GA at birth 24–31 6/7 | 39 (27.2) | 15 (31.2) | 17 (32.6) | 5 (15.1) | 2 (20.0) | 0.872 |
32–36 6/7 weeks | 37 (25.8) | 15 (31.2) | 13 (25.0) | 6 (18.1) | 3 (30.0) | 0.450 |
> 37 weeks | 46 (32.1) | 12 (25.0) | 19 (36.5) | 12 (36.3) | 3 (30.0) | 0.488 |
Mean GA at procedure (weeks) | 21.0 | 21.0 | 21.6 | 19.8 | 21.5 | 0.027 |
Perinatal mortality | 41 (28.6) | 14 (29.1) | 13 (25.0) | 11 (33.3) | 3 (30) | 0.576 |
Co-twin death ≤ 1 week after RFA | 15 (10.4) | 6 (12.5) | 3 (5.7) | 5 (15.1) | 1 (10.0) | 0.351 |
Co-twin death > 1 week after RFA | 28 (19.5) | 9 (18.7) | 10 (19.2) | 6 (18.1) | 3 (30.0) | 0.955 |
PPROM < 34 weeks | 12 (8.3) | 10 (20.8) | 1 (1.9) | 1 (3.0) | 0 (0) | < 0.001 |
GA at RFA ≤ 20 weeks | 46 (32.1) | 13 (27.0) | 13 (25.0) | 18 (54.5) | 2 (20.0) | 0.216 |
GA at RFA > 20 weeks | 97 (67.9) | 35 (63.0) | 39 (75.0) | 15 (45.5) | 8 (80.0) | 0.942 |