Table 2.

Neonatal characteristics and outcome.

Maternal characteristics	No/low (n=8)	Normal/hyperactive (n=11)	P-value
Gestational age (weeks)	33.8±0.7	34.4±0.7	0.28
Postnatal age at enrollment (days)	1.6±0.3	1.9±0.6	0.35
Birthweight (grams)	1907±177	2370±273	0.11
Male (%)	3 (38%)	9 (81%)	0.05
Continuous positive airway pressure (CPAP) during study	6 (75%)	1 (9%)	0.06
Caffeine administration during study	2 (25%)	0	0.2
Magnesium level at enrollment (miliequivalents per liter)	2.20±0.10	2.03±0.08	0.09
Distended abdomen during study	2 (25%)	0	0.2
Stool passage during the study	7 (88%)	10 (91%)	0.81
Gastric residuals during study	7 (88%)	4 (36%)	0.03
Gastric residual volume (mililiters)	2.03±0.59	0.87±0.43	0.06
Volume of enteral nutrition (mililiters per 24 hours)	13±11	98±30	0.02