Table 1 Characteristics of the meta-analyses on UKA versus HTO
Author /Year | Number of studies assessed | Number of knees (UKA/HTO) | Follow-up, months (range) | Outcomes reported by ≥ 3 studies | Number of original studies | HTO type, number of studies | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Functional results | ROM | Velocity | Pain | Revision rate | Complication rate | ||||||
Migliorini et al. [7] | RCT 1 Retrospective 6 | 311/307 | 24–90 | Yes |  |  |  | Yes |  | 7 | OW 7 CW 0 |
Bai et al. [35] | RCT 2 Retrospective 11 | 332/379 | 12–120 | Yes | Yes |  |  | Yes | Yes | 13 | NA |
Huang et al. [17] | Prospective 1 Retrospective 7 | 304/371 | 30–84 | Yes | Yes | Yes |  | Yes | Yes | 8 | OW 8 CW 0 |
Cao et al. [3] | RCT 2 Retrospective 7 Register Study 1 | 5305/868 | 0–90 | Yes | Yes |  | Yes | Yes | Yes | 10 | OW 6 CW 3 |
Santoso et al. [5] | RCT 3 Prospective 2 Retrospective 9 Register Study 1 | 5497/1041 | 0–204 | Yes | Yes | Yes | Yes | Yes | Yes | 15 | OW-HTO 6 CW-HTO 7 |
Han et al. [19] | RCT 4 Prospective 3 Retrospective 9 | 603/591 | 0–204 | Yes | Yes | Yes | Yes | Yes | Yes | 16 | OW 5 CW 11 |
Fu et al. [21] | RCT 3 Prospective 2 Retrospective 5 Register Study 1 | 5081/759 | 0–204 | Yes | Yes | Yes |  | Yes | Yes | 11 | OW-HTO 3 CW-HTO 7 |
Spahn et al. [6] | UKA 40 HTO 43 Comparative Studies 3 | 4742/4090 | 60–240 | Yes |  |  |  | Yes | Yes | 93 | OW-HTO 4 CW-HTO 38 |
Zhang et al. [16] | RCT 3 Prospective 1 Retrospective 3 | 196/219 | 12–204 | Yes |  |  |  | Yes | Yes | 7 | OW 1 CW 5 |
Gandhi et al. [20] | RCT 3 Prospective 1 Retrospective 2 | 186/176 | 6–93.6 | Yes |  | Yes |  |  | Yes | 6 | OW 1 CW 5 |