Table 2.

Infant characteristics (n=64)

		Mean(sd)
	All (n=64)	Treated (n=48)	Untreated (n=16)
Gestational age (weeks)	39.16 (1.23)	39.22 (1.27)	38.96 (1.12)
Birth weight (grams)	3085.00 (495.01)	3135.94 (514.51)	2932.19 (408.05)
Birth length (cm)	49.36 (2.52)	49.50 (2.70)	48.94 (1.89)
Birth head circumference (cm)	33.27 (1.53)	33.34 (1.53)	33.06 (1.56)
1 minute Apgar	8.22 (1.18)	8.15 (1.26)	8.44 (0.89)
5 minute Apgar	9.00 (.18)	9.00 (.21)	9.00 (0.00)
Mean NAS score day 1	4.36 (2.14)	4.51 (2.26)	3.93 (1.69)
day 2	6.96 (2.09)	7.63 (1.82)	4.93 (1.44)
day 3	6.22 (1.76)	6.79 (1.52)	4.54 (1.34)
day 4	5.65 (1.72)	6.14 (1.48)	4.17 (1.55)
Total days hospitalized	11.84 (6.97)	14.10 (6.66)	5.06 (0.25)