Table 2.

Characteristics of ex-premature boys with or without hypospadias at time of surgery

	Hypospadiac (n = 54)	Non-Hypospadiac (n = 34)	P value
Age (years)	1.2 (0.9-1.5)	3.2 (2.2-4.2)	<0.00004
Weight (g)	8674 (7928-9421)	15961 (11719-12022)	<0.000007
Height (cm)	72 (69-75)	91 (82-100)	<0.00003
BMI	16.3 (14.5-18.1)	17.6 (15.6-19.6)	0.61
Weight-for-age percentile	20.1 (13.2-27.0)	35.2 (23.5-47.0)	0.02
Height-for-age percentile	19.6 (12.5-26.7)	37.4 (25.0-49.7)	0.01
BMI-for-age percentile	59.6 (16.9-100)	57.5 (39.6-63.0)	0.93
Weight-for-height percentile	42.9 (33.4-52.3)	49.6 (36.2-63.0)	0.42

Values are shown as means with 95% confidence intervals in parentheses. P values < 0.05 have been emphasized with boldface.