Association of antenatal corticosteroids with mortality and morbidities in very preterm infants born to women with hypertensive disorders of pregnancy: a multicenter prospective cohort study

Table 4 Linear Regression analysis of association between outcomes and different exposure of ANS

	Complete ANS N = 987	Partial ANS N = 560	Repeat ANS N = 100	No ANS N = 270
	Complete ANS N = 987	estimated changes (95% CI)^a	estimated changes (95% CI)^a	estimated changes (95% CI)^a
Oxygen therapy days/ length of stay	1	9.1(-12.1, 32.5)	-18.3(-39.2, -2.1)	-8.8(-37.0,22.1)
Ventilation days/ length of stay	1	9.3(-9.3, 29.2)	-63.5(-129.2,,9.3)	-39.0(-88.6, 8.9)
Head circumference at discharge	1	-0.52(-0.81, 0.44)	-0.23(-0.76, 0.51)	-0.33(-0.48, 0.30)
Length at discharge	1	-0.35(-0.75, 0.08)	-0.38(-1.6, 0.52)	-0.33(-0.89, 0.45)
Weight at discharge	1	-45.9(-83.9, 7.4)	8.77(-69.5, 88.0)	8.72(-43.0, 67.1)

Abbreviations: ANS- Antenatal corticosteroids
^aAdjusted for assisted reproductive technology, cesarean section, PROM, birth weight z-scores, multiples, inborn and Apgar <7 at 5 min

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