Table 1.

Subject Demographics

Variable	BSFS			P-value
	HS (n = 23)	NS (n = 27)	SS (n = 12)
Sex (% of females)	83	85	100	> 0.999a
Age (yr)	27.5 (10.8)	24.0 (7.0)	23.0 (3.8)	0.007b
Height (m)	1.63 (0.13)	1.63 (0.10)	1.64 (0.06)	0.851b
Weight (kg)	57.5 (7.8)	55.0 (15.0)	52.5 (8.3)	0.503b
BMI (kg/m2)	21.0 (2.4)	20.7 (3.5)	19.6 (1.7)	0.448b

BSFS, Bristol Stool Form Scale; HS, hard stool; NS, normal stool; SS, soft stool; BMI, body mass index.

P-value was calculated by

^aChi-squared test,

^bKruskal Wallis test.

Data are presented as median (interquartile range).