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Table 3 Duration of tocolytic infusion among women who received antenatal glucocorticoids within 7 days of delivery, stratified by gestational age at delivery

From: Antenatal corticosteroid administration in women undergoing tocolytic treatment who delivered before 34 weeks of gestation: a retrospective cohort study using a national inpatient database

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