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Table 2 Summary of included studies (b)

From: Comparison of computer-assisted navigated technology and conventional technology in unicompartmental knee arthroplasty: a meta-analysis

References Follow-up Functional evaluation Mechanical axis Positioning of the prosthesis Complications (Navigated group vs. conventional group) Operating time (SD) [Min]
Song et al. [21] 9 years HSS, WOMAC Yes Yes 1 revision/2 knees were revised NR
Zhang et al. [7] 2 years KSS, KSFS Yes Yes No case of complications Navigated group: 59.4 ± 6.1
Conventional group: 62.1 ± 5.5
Manzotti et al. [12] 6 months WOMAC, IKS No Yes No case of complications Navigated group: 47.4 ± 6.1
Conventional group: 35.4 ± 4.4
Valenzuela et al. [37] NR NR Yes Yes NR NR
Weber et al. [17] 18 months KSS NR NR 2 patients were revised to a TKA/1 patient was revised to a TKA Navigated group: 126.2 ± 21.25
Conventional group: 109.4 ± 18.25
Konyves et al. [20] Navigated group: 6.9 years Conventional group: 8.9 years OKS No No NR NR
Jung et al. [13] NR NR No Yes One case of tibial side pin site infection/one case of intraoperative fracture, one case of infection Navigated group: 98
Conventional group: 82
Lim et al. [35] 1 year KSS No NR No case of complications NR
Rosenberger et al. [10] NR NR Yes NR No case of complications Navigated group: 81.8 ± 11.08
Conventional group: 70.85 ± 14.86
Jenny et al. [33] NR NR NR Yes No case of complications NR
Keene et al. [34] NR NR NR NR No case of complications Navigated group: 70
Conventional group: 53
Perlick et al. [36] NR NR Yes NR No case of complications Navigated group: 77 ± 14
Conventional group: 58 ± 11
Cossey and Spriggins [32] 17 months OKS Yes Yes 2 deep venous thrombosis,1 wound infection/1 deep venous thrombosis and 1 superficial wound infection Navigated group: 81
Conventional group: 58
Jenny and Boeri [15] 3 months NR Yes Yes NR Navigated group: 86
Conventional group: 67
  1. KSS, Knee Society Score; WOMAC, Western Ontario and McMaster Osteoarthritis Index; IKS, International Knee Society; OKS, Oxford Knee Score
  2. Yes, Better positioning of the prosthesis/mechanical axis through navigation; No, no difference; NR, no report