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Table 3 Mean Knee Society and Knee Functional scores compared between NAVIO and MAKO robotically assisted unicompartmental knee arthroplasty at follow-up time points 1, 2, 3, 6, and 12 months

From: Comparison of 1-year outcomes between MAKO versus NAVIO robot-assisted medial UKA: nonrandomized, prospective, comparative study

Follow-up time

NAVIO robotically assisted UKA

(n = 16)

MAKO robotically assisted UKA

(n = 17)

Mean difference and 95% confidence interval

P value

Knee Society Score

 1 month

91.9

89.6

2.2 (− 0.3, 4.7)

0.081

 2 months

95.9

94.6

1.3 (− 1.2, 3.8)

0.313

 3 months

97.3

96.4

0.8 (− 1.7, 3.3)

0.511

 6 months

98.6

98.9

− 0.32 (− 2.8, 2.2)

0.802

 12 months

99.9

99.5

0.41 (− 2.1, 2.9)

0.749

Knee Functional Score

 1 month

80.9

89.8

− 8.8 (− 13.6, − 4.0)

< 0.001

 2 months

86.3

92.6

− 6.4 (− 11.2, − 1.6)

0.009

 3 months

91.3

93.8

− 2.6 (− 7.4, 2.2)

0.294

 6 months

94.4

94.4

− 0.04 (− 4.8, 4.8)

0.988

 12 months

96.9

94.7

2.2 (− 2.6, 7.0)

0.376

  1. UKA unicompartmental knee arthroplasty