Preterm Birth: A Prominent Risk Factor for Low Apgar Scores

Table 1

Descriptive data for the study population ( = 20 643). Differences between AS^5 min < 7 and AS^5 min ≥ 7 were analyzed with Student’s -test.

	AS^5 min < 7			AS^5 min ≥ 7
		Mean (SD)	Q1–Q3		Mean (SD)	Q1–Q3
Age (years)	369	30 (5)	26–34	20274	30 (5)	26–33	0.891
Weight (kg)	303	70 (15)	59–78	18314	69 (14)	59–75	0.133
Height (cm)	306	164 (7)	160–168	18570	166 (6)	162–170	<0.001
Body mass index (kg/m²)	301	26 (5)	22–29	18239	25 (5)	22–27	<0.001
Gestational age (weeks)	366	36 (6)	32–41	20251	40 (2)	39–41	<0.001