Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Methods | Randomized controlled trial | |
| Participants | Patients with chronic anal fissure | |
| Interventions | Open (41) versus closed (38) sphincterotomy | |
| Outcomes | Persistence of the fissure, continence scores, pain scores, complications | |
| Notes | ||
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Random sequence generation (selection bias) | Low risk | adequate |
| Blinding of outcome assessment (detection bias) All outcomes | Low risk | adequate |
| Drop‐outs All outcomes | Low risk | 3/80 = 3.8% |
