Prognostic factors for biofeedback success after long term follow up
| Predictive variable | Success (n=55) | Failure (n=45) | Statistical significance |
| Female | 89 | 84 | NS |
| Male | 11 | 16 | NS |
| Psychological problems | 14 | 24 | p=0.10 |
| Previous hysterectomy | 22 | 27 | NS |
| Slow transit only | 20 | 15 | NS |
| Paradoxical contraction only | 13 | 9 | NS |
| Slow transit plus paradoxical contraction | 35 | 22 | NS |
| No slow transit or paradoxical contraction | 16 | 13 | NS |
| Practise biofeedback | 82 | 70 | p=0.07 |
Values are expressed as per cents.