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Table 1 Demographic characteristics and preoperative baseline for the test and control groups

From: Learning curve analysis of robotic-assisted total knee arthroplasty with a Chinese surgical system

Demographic characteristics

surgeon 1

Surgeon 2

Surgeon 3

P value

Test

Control

Test

Control

Test

Control

Age

68.30 (8.31)

67.50 (7.99)

67.87 (8.13)

70.17 (7.71)

64.87 (7.54)

67.77 (8.51)

0.245

BMI

27.00 (3.26)

26.01 (2.78)

27.20 (3.85)

25.54 (3.19)

26.59 (3.77)

26.18 (4.12)

0.452

Gender (Male = 0, Female = 1)

0.77 (0.43)

0.93 (0.25)

0.87 (0.35)

0.93 (0.25)

0.90 (0.31)

0.93 (0.25)

0.262

Limb (Left = 0, Right = 1)

0.50 (0.51)

0.50 (0.51)

0.53 (0.51)

0.47 (0.51)

0.57 (0.50)

0.57 (0.50)

0.965

Pre mHKA

169.88 (9.01)

176.03 (8.16)

173.54 (10.07)

171.48 (8.99)

173.09 (9.41)

172.04 (7.82)

0.156

Pre mLDFA

89.13 (2.83)

87.75 (4.57)

87.91 (4.41)

88.53 (3.09)

87.1 (3.14)

88.91 (2.58)

0.245

Pre MPTA

85.74 (4.59)

86.67 (3.07)

85.57 (3.93)

84.30 (2.94)

84.64 (4.43)

85.11 (3.95)

0.214