Table 3 Correlations and agreement of manual and automatic measurements of alignment and used time

Native Joint

HKA

257

0.47 ± 0.38

92.22%

99.20%

JCLA

257

0.65 ± 0.60

79.38%

96.50%

AMA

257

0.48 ± 0.44

87.94%

99.22%

mMPTA

257

0.79 ± 0.87

79.82%

93.39%

mLDFA

257

0.62 ± 0.54

80.16%

97.67%

Used time*

<0.01

mean manual

173.78 ± 12.37

model

2.53 ± 0.80

Joint with Prothesis

HKA

142

0.51 ± 0.40

90.14%

98.59%

JCLA

142

0.34 ± 0.38

93.66%

98.59%

AMA

142

0.50 ± 0.43

86.62%

99.30%

mMPTA

142

0.55 ± 0.46

83.80%

98.59%

mLDFA

142

0.54 ± 0.42

85.92%

99.30%

Used time*

<0.01

mean manual

175.04 ± 13.11

model

2.54 ± 0.80