Left-lateral position | Erect position | P value* | |
---|---|---|---|
Anal canal length, cm | 4.5 (2.5‒6.6) | 4.2 (1.8‒6.8) | < 0.0001 |
Maximum resting pressure, cm H2O | 54.8 (19.0‒124.8) | 61.5 (18.7‒156.0) | < 0.0001 |
Maximum squeeze pressure, cm H2O | 149.9 (45.7‒604.0) | 148.0 (44.0‒454.4) | 0.07 |
Defecation desire volume, ml | 80 (20‒280) | 125 (30‒300) | < 0.0001 |
Maximum tolerated volume, ml | 188 (70‒300) | 215 (30‒300) | < 0.0001 |