| Methods |
RCT unblinded. |
| Participants |
100 participants,: 69 men, 31 women. Mean age 23 years (range 15‐64). New presentation sinus only |
| Interventions |
Open healing vs. off‐midline closure (Karydakis technique). |
| Outcomes |
Healing time, recurrence, RTW, complications, pain. |
| Notes |
100% follow up at 3 years. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Adequate sequence generation? |
Low risk |
Quote: "The generation of random sequences of allocation was achieved using a coin". |
| Allocation concealment? |
Unclear risk |
Not reported. |
| Incomplete outcome data addressed?
All outcomes |
Unclear risk |
No information on exclusions, attrition, and missing data. |
| Free of selective reporting? |
Low risk |
|
| Free of other bias? |
Unclear risk |
Follow up performed at outpatient visit or telephone but not data by method were reported. |
