| Methods |
RCT, unblinded. |
| Participants |
151 participants. 131 men, 11 women. Median age 25.5 years (range 16‐49). New presentation & recurrence. |
| Interventions |
Open healing (modified lay‐open marsupialisation) vs. midline closure (primary midline closure). |
| Outcomes |
Healing time, SSI, recurrence, RTW, other complications rate. |
| Notes |
100% follow up at 2 years. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Adequate sequence generation? |
High risk |
"..randomly allocated to two groups according to the initial letter of their surname (A‐M, group A; N‐Z, group B)" |
| Allocation concealment? |
High risk |
No concealment possible because sequence predicted by surname. |
| Incomplete outcome data addressed?
All outcomes |
Low risk |
All participants were followed up. |
| Free of selective reporting? |
Low risk |
|
| Free of other bias? |
Low risk |
|
