| Authors | Numbers | Success | Failures | Pullback | Year |
| B. Fall et al. [2] | 75 | 61.3% | 38.7% | 4 years | 2014 |
| Y-H. Shau et al. [27] | 39 | 46% | 54% | 6.33 years | 2015 |
| Our study | 91 | 58.24% | 41.76% | 4 years | 2015 |