Table 2.
Distribution of dyssynergic patterns in the study population after consensus.
| Line-plot patterns | All N=170 |
HV N=85 |
FC N=85 |
p |
|---|---|---|---|---|
| Abnormal | 154 (91) | 74 (87) | 80 (94) | .19 |
| Type I dyssynergia | 48 (28) | 31 (37) | 17 (20) | .03 |
| Type II dyssynergia | 11 (6) | 7 (8) | 4 (5) | .53 |
| Type III dyssynergia | 27 (16) | 13 (15) | 14 (17) | 1 |
| Type IV dyssynergia | 56 (33) | 17 (20) | 39 (46) | .001* |
| Unclassified | 12 (7) | 6 (7) | 6 (7) | 1 |
| Types I–IV (FAR) | 142 (84) | 68 (80) | 74 (87) | .30 |
| Types II + IV (FDD) | 67 (39) | 24 (28) | 43 (51) | .005** |
HV: healthy volunteers; FC: patients with functional constipation; FAR: failed anal relaxation; FDD: functional defecation disorder. Values in parenthesis are percentages.
*
Bonferroni correction requires p≤0.008;
**
Bonferroni correction requires p≤0.003