Table 2.

Baseline characteristics of infants with functional constipation by randomized group

Characteristics	SF (n = 18)	NF (n = 20)	P- value
Number of boys (%)	11 (61)	8(40)	0.19
Age at intake (in months)
median	1.8	1.7	0.80
min-max	1.1–5.0	0.7–3.7
Age of onset (in weeks)
median	2.0	2.0	0.45
min-max	0–20	0–6
Defecation frequency
N/week (mean ± SD)	3.6 ± 1.8	3.5 ± 2.6	0.64
< 3 times/week	39%	50%	0.49
Hard stool consistency	72%	50%	0.16
Painful defecation	89%	75%	0.27
Abdominal scybalus	44%	20%	0.13
Rectal scybalus	29%	21%	0.51
Meconium passage < 48 hours	100%	90%	0.32
Positive family history	61%	58%	0.84