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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