Table 4.
Neonatal outcomes according to treatment strategy.
| No treatment (n = 513) |
Pre. plus IVIg (n = 151) |
Pre. (n = 172) |
IVIg (n = 105) |
p value | ||||
|---|---|---|---|---|---|---|---|---|
| All groups | IVIg versus pre | Pre. plus IVIg versus IVIg | Pre. plus IVIg versus pre. | |||||
| Stillbirth, (%) | 7 (1.4) | 2 (1.3) | 5 (2.9) | 5 (4.8) | 0.065 | 0.303 | 0.063 | 0.329 |
| Preterm birth < 37 weeks, (%) | 27 (5.3) | 11 (7.3) | 16 (9.3) | 10 (9.5) | <0.001 | 0.227 | 0.131 | 0.264 |
| Preterm birth < 34 weeks, (%) | 4 (1.0) | 2 (1.3) | 5 (2.9) | 3 (3.0) | 0.282 | 0.952 | 0.294 | 0.252 |
| Birth weight, mean (SD) | 3146.26 (587.71) | 3067.24 (555.53) | 3048.40 (533.90) | 2930.00 (558.86) | 0.247 | 0.101 | 0.064 | 0.773 |
| Small for gestational age n (%) | 18 (3.5) | 6 (4.0) | 4 (2.3) | 5 (4.8) | 0.690 | 0.295 | 0.747 | 0.427 |
| Apgar score < 7 at 5 min, (%) | 22 (4.3) | 8 (5.3) | 9 (5.2) | 5 (4.8) | 0.143 | 0.136 | 0.764 | 0.146 |
| Neonatal platelet count (×109/l), mean (SD) | 236.20 (107.20) | 199.86 (111.55) | 209.10 (115.61) | 218.28 (115.27) | 0.019 | 0.593 | 0.289 | 0.542 |
IVIg, intravenous immunoglobulin; Pre., prednisone; SD, standard deviation.