Antenatal dexamethasone use and respiratory distress in late preterm infants: results from first Vietnamese matched cohort study

Table 4 Maternal outcomes

Outcome	Dexamethasone group (n₁ = 78)	Matched group (n₂ = 78)	Unadjusted OR (95% CI); p	Adjusted^a OR (95% CI); p
Chorioamnionitis, n (%)	0	1 (1.3)	-	-
Endometritis, n (%)	0	0	-	-
Retained placenta, n (%)	9 (11.5)	7 (9.0)	1.32 (0.47–3.75); 0.599	2.04 (0.67–6.20); 0.210
Median postpartum length of hospital stay (IQR), days	5 (3.0 – 5.0)	4 (3.0 – 5.0)	1.04^b (0.90–1.20); 0.604	0.95^b(0.82–1.11); 0.549

^aMultivariate analysis was implemented for adjustment the effects of the causes of preterm birth by logistic regression model or Poisson regression model
^bthe Poisson regression model; IRR with 95% confidence interval was used to evaluate the magnitude of postpartum length between two groups

ISSN: 1471-2393