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Table 1 Summary of included studies (a)

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

References Country Type Age, Mean (SD or range) Gender (F/M) Keen (n) Navigated system Type of prosthesis
Song et al. [21] Korea Cohort study Navigated group: 63.6 (50–79)
Conventional group: 64.3 (52–81)
Navigated group: 33/1
Conventional group: 32/2
Navigated group: 34
Conventional group: 34
OrthoPilot Zimmer
Zhang et al. [7] China Randomized controlled trial Navigated group: 62.4 (5.62)
Conventional group: 61.9 (6.11)
Navigated group: 22/18
Conventional group: 22/19
Navigated group: 40
Conventional group: 41
BrainLAB Zimmer
Manzotti et al. [12] Italy Case–control study Navigated group: 70.9 (7.8)
Conventional group: 71.3 (6.8)
Navigated group: 18/13
Conventional group: 18/13
Navigated group: 31
Conventional group: 31
OrthoPilot DePuy
Valenzuela et al. [37] USA Case–control study Navigated Mean: 65 (48–81)
Conventional Mean: 67.3 (49–81)
Navigated group: 28/28
Conventional group: 36/30
Navigated group: 56
Conventional group: 66
Praxim Zimmer
Weber et al. [17] Austria Case–control study Navigated Mean: 67.9 (44–81.4)
Conventional Mean: 69.1 (53.1–79.5)
Navigated group: 11/9
Conventional group: 10/10
Navigated group: 20
Conventional group: 20
OrthoPilot Univation
Konyves et al. [20] Australia Case–control study Navigated group: 59 (41–78)
Conventional group: 61 (44–71)
NR Navigated group: 15
Conventional group: 15
Stryker Sulzer
Jung et al. [13] Korea Cohort study Navigated group: 59 (51–76)
Conventional group: 56 (46–68)
Navigated group: 13/4
Conventional group: 15/10
Navigated group: 23
Conventional group: 29
Stryker Oxford
Lim et al. [35] Australia Randomized controlled trial Navigated group: 60 (50–78)
Conventional group: 72 (46–85)
Navigated group: 15/15
Conventional group: 11/10
Navigated group: 30
Conventional group: 21
OrthoPilot FREEDOM
Rosenberger et al. [10] Austria Case–control study Navigated group: 62.9 (6.48)
Conventional group: 66.65 (6.48)
Navigated group: 13/7
Conventional group: 9/11
Navigated group: 20
Conventional group: 20
TREON plus Oxford
Jenny et al. [33] France Case–control study Navigated Mean: 65.6 (48–84)
Conventional Mean: 64.5 (44–88)
Navigated group: 34/15
Conventional group: 54/33
Navigated group: 49
Conventional group: 87
OrthoPilot Aesculap
Keene et al. [34] Australia Cohort study NR NR Navigated Mean: 20
Conventional Mean: 20
Ci(DePuy/BrainLAB) DePuy
Perlick et al. [36] Denmark Cohort study Navigated Mean: 65 (49–73)
Conventional Mean: 67 (45–74)
Navigated group: 14/6
Conventional group: 12/8
Navigated group: 20
Conventional group: 20
Ci(DePuy/BrainLAB) DePuy
Cossey and Spriggins [32] UK Cohort study Navigated group: 55 (41–78)
Conventional group: 57 (42–74)
Navigated group: 8/6
Conventional group: 10/4
Navigated group: 15
Conventional group: 15
Stryker Stryker-Howmedica, Sulzer
Jenny and Boeri [15] France Case–control study NR NR Navigated Mean: 30
Conventional Mean: 30
OrthoPilot Aesculap
  1. NR, no report