| Methods |
RCT, unblinded. |
| Participants |
77 participants. 59 men, 18 women. Mean age 25.9 years. unclear if new or recurrent sinuses. |
| Interventions |
Open healing (excision and healing by secondary intention) vs midline closure (primary midline closure). |
| Outcomes |
healing time, recurrence, RTW, other complications, operating time. |
| Notes |
92% follow up at a mean of 4 years. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Adequate sequence generation? |
Unclear risk |
Quote: "patients were randomised in 2 groups". |
| Allocation concealment? |
Unclear risk |
Not reported. |
| Incomplete outcome data addressed?
All outcomes |
High risk |
Quote: "Seven cases (two cases from group A and 5 cases from group B) were excluded from the study as they were lost to follow up". |
| Free of selective reporting? |
Low risk |
|
| Free of other bias? |
Low risk |
|
