Table 4.

Determinants of abnormal rectal balloon evacuation using multivariable logistic regression with forward elimination

Variable	Adjusted OR (95% CI)	p-value
All patients
Rectoanal pressure gradient on simulated defecation	1.010 (1.001–1.020)	0.03
Maximum tolerated volume	0.993 (0.988–0.998)	0.007
Duration of sustained squeeze	0.954 (0.899–1.012)	0.12
Non HSD/hEDS patients
Rectoanal pressure gradient on simulated defecation	1.032 (1.009–1.057)	0.009
Residual anal pressure	1.020 (0.993–1.047)	0.16
HSD/hEDS patients
Rectoanal pressure gradient on simulated defecation	0.996 (0.981–1.012)	0.64
Maximum tolerated volume	0.988 (0.981–0.996)	0.004
Mean resting sphincter pressure (Anal tone)	0.968 (0.939–0.998)	0.034
Max squeeze sphincter pressure (Anal contractility)	1.008 (0.998–1.018)	0.14

Abbreviations: OR Odds-ratio, CI Confidence interval

Significant p<0.05 are in bold