Table 1.
Summary of study demographics and characteristics.
| Reference | Study design | COI | Patient (n) | Mean age | Mean BMI | FU | LoE |
|---|---|---|---|---|---|---|---|
| Quartey et al. (16) | CR | NR | 1 | 71 | NR | 5 months | 4 |
| Ueno et al. (15) | CCS | NR | 20 | 60.1 | NR | 15.7 months | 4 |
| Xourafas et al. (12) | RCS | NR | 51 | 59 | 29 > 30 | 22 months | 3 |
| Helton et al. (13) | RCS | NR | 53 | 51 | 32 | 14 months | 4 |
| Giakoustidis et al. (17) | CR | No | 1 | 53 | NR | 12 months | 4 |
| Shah et al. (9) | RCS | NR | 58 | 57.2 | 33.8 | 12 months | 4 |
| Tsuda (22) | CR | No | 1 | 33 | 38 | 6 weeks | 4 |
| Franklin et al. (5) | CCS | NR | 116 | 58 | NR | 52 months | 4 |
| Han et al. (6) | RCS | No | 63 | 57 | 29 | 43 months | 4 |
| Patton et al. (14) | RCS | NR | 67 | 55 | NR | 10.6 months | 4 |
| Fallis et al. (18) | CR | NR | 1 | 81 | NR | 6 months | 4 |
| Gooch et al. (19) | CR | No | 1 | 38 | NR | 4 years | 4 |
| Pulido et al. (20) | CR | NR | 1 | 70 | NR | NR | 4 |
| Schiergens et al. (21) | CR | NR | 1 | 32 | NR | NR | 4 |
n, number; RCS, Retrospective Cohort Study; CCS, Case–Control Study; CR, case report; COI, conflict of interest; NR, no report; LoE, level of evidence (based on the Oxford Centre for Levels of Evidence 2009).