Characteristics of studies included in systematic review of complications
| Study | Design | Number of patients | Age (mean) | % females |
|---|---|---|---|---|
| Basques, 201547 | Retrospective cohort (registry) | 17 774 | 53 | 46.9 |
| Bohensky, 201448 | Retrospective cohort (registry) | 139 031 | NR | 42.5 |
| Cancienne, 201649 | Prospective cohort | 173 216 | NR | 64.6 |
| Hame, 201250 | Retrospective cohort (registry) | 314 578 | NR | 62 |
| Hetsroni, 201151 | Retrospective cohort (registry) | 418 323 | 45.5 | 46.8 |
| Hoppener, 200652 | Retrospective cohort (registry) | 335 | 42 | 43.3 |
| Jameson, 201153 | Retrospective cohort (registry) | 261 446 | 46 | 40.7 |
| Katz, 201338 | RCT | 174 | 59 | 55.9 |
| Kise, 201613 | RCT | 70 | 48.9 | 39 |
| Krych, 201554 | Retrospective cohort (registry) | 12 595 | NR | NR |
| Maletis, 201255 | Retrospective cohort (registry) | 20 770 | 44 | 42.8 |
| Sihvonen, 201343 | RCT | 70 | 52 | 58 |
| Wai, 200256 | Retrospective cohort (registry) | 14 391 | 62.4 | 49.9 |
| Yacub, 200957 | Retrospective cohort (registry) | 12 426 | NR | 57.3 |
| Yeranosian, 201358 | Retrospective cohort (registry) | 432 038 | NR | NR |
NR, not reported, RCT, randomised clinical trial.