PSC (n=72) | No PSC (n=150) | |
Sex ratio (female/male) | 58/14 | 135/15 |
Age (years) | 55.7 (2.0) | 56.7 (1.2) |
Symptom duration | 12.7 (1.6) | 14.5 (1.7) |
Sphincter pressures: | ||
Resting pressure (mm Hg) | 45.8 (2.8) | 42.4 (1.6) |
Maximal squeeze pressure (mm Hg) | 81.7 (4.3) | 76.1 (3.0) |
RAIR thresholds: | ||
First appearance (ml) | 21.5 (1.4) | 21.5 (0.8) |
Maximal relaxation (ml) | 83.8 (4.9) | 81.5 (2.9) |
Rectal sensitivity thresholds: | ||
Perception (ml) | 29.2 (2.3) | 27.4 (1.4) |
Urge (ml) | 69.4 (5.0) | 64.4 (2.9) |
RAIR, rectoanal inhibitory reflex.