Table 1.

Patient demographics, baseline symptoms and colorectal function, ROM= radiopaque markers

Demographic Data	Office Biofeedback (n=50)	Home Biofeedback (n=50)
Age, years (Mean ± SD)	42.4 ± 15.4	37.1 ± 11.9
Duration of constipation, years (Mean)	15	12
Subjective Measures
CSBMs per Week, mean (SEM)	1.2 (0.3)	0.68 (0.17)
Bowel Satisfaction VAS (0–100), mean (SEM)	18.4 (2.9)	16.3 (2.4)
Stool Consistency (Bristol, 1–7), mean (SEM)	3.2 (0.2)	3.4 (0.15)
% Stools with Incomplete Evacuation	76%	70%
Objective Parameters
% ROM Mean Retention	45%	50%
Balloon Expulsion Time (Seconds), Mean ± SEM)	60 ± 11	70 ± 12