Table 1. Summary of patient characteristics of the included studies.
| Study | Year | Study type | Mean age (years) | Sample size (M/F) | Weight(kg)/Height(m) | Prosthesis properties | Time of gait analysis from surgery (months) | Quality score | Measured parameters | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UKA | TKA | UKA | TKA | UKA | TKA | UKA | TKA | ||||||
| Braito et al.[14] | 2016 | PCS | 65.7 | 66.4 | 15(8/7) | 17(6/11) | NA | NA | Oxford | Scorpio | At least 2 | NOS 7 | VGRF, VMS, EMS, FIC, FS, ORMS, CKAS, WS, CD, SL, |
| Calliess et al.[15] | 2014 | RCS | 58.0 | 61.3 | 2(1/1) | 4(2/2) | NA | NA | Triathlon | Triathlon | Mean 12 | NOS 8 | WS, CD |
| Choy et al.[16] | 2007 | RCS | 70.3 | 70.3 | 12(0/12) | 12(0/12) | NA | NA | Oxford | LCS | At least 6 | NOS 7 | VGRF, VMS, EMS, FIC, FS, ORMS, CKAS, WS, CD, SL, |
| Jones et al.[17] | 2016 | RCS | 65.0 | 68.0 | 12(N/S) | 12(N/S) | 88.8/1.75 | 83.7/1.67 | Oxford | Genesis II | At least 12 | NOS 8 | VGRF, WS |
| Komnik et al.[18] | 2016 | RCS | 60.5 | 60.0 | 13(7/6) | 11(7/4) | 80.4/1.70 | 82.1/1.73 | UHFKS | SIGMA/Genesis II | Mean 20 | NOS 9 | VMS, CKAS, WS, |
| Stacoff et al.[19] | 2006 | RCS | 67.2 | 67.3 | 5(3/2) | 20(9/11) | 77.7/1.76 | 79.0/1.70 | Allegretto | LCS/INNEX | At least 13 | NOS 8 | VGRF, WS |
| Wiik et al.[13] | 2013 | RCS | 65.9 | 67.8 | 23(10/13) | 23(9/14) | 86.7/1.70 | 84.0/1.69 | NA | NA | At least 12 | NOS 8 | VGRF, WS, CD, SL |
Abbreviations: PCS, prospective comparative study; RCS, retrospective comparative study; M, male; F, female; UKA, unicompartmental knee arthroplasty; TKA, total knee arthroplasty; NA, not available; LCS, low-contact-stress; UHFKS, unicompartmental high flex knee system; NOS, Newcastle-Ottawa Scale; VGRF, vertical ground reaction force (BW); VMS, varus moment at stance (Nm/(kg∙m)); EMS, extensor moment at stance (Nm/(kg∙m)); FIC, flexion at initial contact (°); FS, flexion at swing (°); ORMS, overall range of motion at stance (°); CKAS, coronal knee angle at stance(°); WS, walking speed (m/s); CD, cadence (step/min); SL, stride length (cm)