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| Study | No. of patients | Stricture-free | Mean follow-up (months) |
|---|---|---|---|
| Tsivian & Sidi 2006 (18) | 1 | 100% | 27 |
| Migliari et al. 2006 (19) | 3 | 100% | 6 |
| Sharma et al. 2010 (15) | 15 | 93% | 12 |
| Castillo et al. 2011 (20) | 2 | 100% | 18 |
| Onol et al. 2011 (9) | 2 | 100% | 30 |
| Blaivas et al. 2012 (21) | 3 | 100% | 25 |
| Goel et al. 2014 (12) | 8 | 62.5% | 15 |
| Kowalik et al. 2014 (14) | 4 | 100% | 24 |
| Current study | 39 | 77% | 32 |
| POOLED | 77 | 83.1% | 24 |
