Table 2.
Characteristics of included studies: flap vs direct closure
| Study | No. of patients | Lost to follow up | Type of flap | Ratio flap: other | Inclusion criteria | Exclusion criteria | Primary end‐point | Secondary end‐points | Type of randomisation | Blinding | Follow up | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comparison flap vs direct closure | Ertan et al38 | 100 | 35 | Limberg flap | 50:50 | PSD | Acute abscess | Duration of hospital stay, time to complete wound healing, time to return to work, complications, recurrence rate, quality of life and patient satisfaction, pain | Mean 19 months | |||
| Nursal et al39 | 238 | 45 | V‐Y advancement flap | 77:161 | PSD | Acute abscess | Complications, recurrence rate, patient satisfaction, time to return to work | Mean 29.7 months | ||||
| Muzi et al40 | 272 | 12 | Limberg flap | 130:130 | PSD | BMI > 35, diabetes, epilepsy, severe allergy to medication, social‐familiar reasons, drug addiction | Time to complete wound healing | Pain, duration of hospital stay, time to return to work, complications, recurrence rate | Computer generated | No | Mean flap 45.74 months/DC 47.83 months | |
| Sevinç et al41 | 150 | 0 | Limberg flap,karydakis flap | 100:50 | Primary PSD | Recurrent PSD | Complications, recurrence rate | Closed envelopes | Patient | Median 24.2 months | ||
| Tavassoli et al42 | 100 | 0 | Limberg flap | 50:50 | PSD | Acute abscess, recurrent PSD, immunodeficiency, diabetes, age < 15 years or > 45 years, severe hirsutism in women, psychiatric disease or poor hygiene | Complications, pain, time to return to work, time to complete wound healing, recurrence rate, patient satisfaction | 6 monthss | ||||
| Okuş et al43 | 93 | 0 | Limberg flap | 49:44 | PSD | Complications, recurrence rate | Closed envelopes | Median 29.5 months | ||||
| Galala et al44 | 46 | 0 | Limberg flap | 24:22 | PSD | Acute abscess, recurrent PSD | Complications, time to return to work, duration of hospital stay, recurrence rate | Closed envelopes | Mean 18 months | |||
| Akca et al45 | 200 | 0 | Limberg flap | 100:100 | PSD | Recurrent PSD, contraindications of general anaesthesia | Pain, duration of hospital stay, complications, time to return to work, recurrence rate | Computer generated |
Median Flap 28 months/DC 29 months |
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| Shabbir et al46 | 60 | 0 | Limberg flap | 30:30 | PSD | Recurrent PSD, age < 13 years | Complications, recurrence rate, duration of hospital stay, time to return to work | 12 months | ||||
| Dass et al47 | 80 | 0 | Limberg flap | 40:40 | PSD | Recurrent PSD, acute abscess | Complications, pain, time to return to work, duration of hospital stay, recurrence rate | 36 months | ||||
| Khan et al48 | 120 | 0 | Limberg flap | 60:60 | Primary PSD | Duration of hospital stay, complications, time to return to work, recurrence rate | Computer generated | 24 months | ||||
| Enshaei et al49 | 80 | 0 | Rotation flap | 40:40 | Primary PSD | Acute abscess, recurrent PSD, diabetes, or obesity | Duration of hospital stay, pain, complications, recurrence rate, time to complete wound healing | 6 months | ||||
| Rashidian 37 | 60 | 0 | Limberg flap | 20: 40 | Primary PSD | Acute abscess, recurrent PSD | Duration of hospital stay, time to return to work, time to complete wound healing, recurrence rate, complications | Block randomisation | Mean 18 months | |||
Abbreviations: DC, direct closure; PSD, pilonidal sinus disease.