| Methods |
RCT, unblinded. |
| Participants |
46 participants. 36 men, 10 women. Age and sex details not reported. Unclear whether recurrence/new sinuses presentation. |
| Interventions |
Open healing vs. primary midline closure. |
| Outcomes |
Healing time, recurrence at 6 and 12 months, RTW, other complications, LOS out‐patient visits. |
| Notes |
100% follow up at 2 years |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Adequate sequence generation? |
Low risk |
Quote: "Randomly allocated to a treatment group by a system of sequentially numbered opaque sealed envelopes". |
| Allocation concealment? |
Low risk |
"opaque sealed envelopes" |
| Incomplete outcome data addressed?
All outcomes |
Low risk |
Study used intention to treat analysis |
| Free of selective reporting? |
Low risk |
|
| Free of other bias? |
Low risk |
|
