Table 3 Duration of tocolytic infusion among women who received antenatal glucocorticoids within 7 days of delivery, stratified by gestational age at delivery
Gestational age at birth (weeks) | Total | Duration of ritodrine hydrochloride infusion | ||||
|---|---|---|---|---|---|---|
≤48 h | 3–6 days | 7–13 days | 14–27 days | ≥28 days | ||
22–23 | 43 | 20.9% (9/43) | 55.8% (24/43) | 23.3% (10/43) | 0 | 0 |
24–27 | 172 | 32.6% (56/172) | 47.7% (82/172) | 9.3% (16/172) | 8.1% (14/172) | 2.3% (4/172) |
28–31 | 345 | 38.8% (134/345) | 41.7% (144/345) | 6.4% (22/345) | 4.6% (16/345) | 8.4% (29/345) |
32–33 | 379 | 44.6% (169/379) | 33.5% (127/379) | 7.9% (30/379) | 6.6% (25/379) | 7.4% (28/379) |
Total | 939 | 368 | 377 | 78 | 55 | 61 |