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Table 3 Description and differences between training dataset and test dataset

From: Prediction of gap balancing based on 2-D radiography in total knee arthroplasty for knee osteoarthritis patients

Variables

All (n = 110)

Training (n = 99)

Test (n = 11)

P-value

x

5.638 ± 2.75

5.632 ± 2.81

5.699 ± 2.25

0.944

y

10.181 ± 5.58

10.034 ± 5.66

11.503 ± 4.73

0.356

z

5.394 ± 3.78

5.419 ± 3.92

5.171 ± 2.15

0.748

w

16.6 ± 7.72

16.518 ± 8.08

17.34 ± 2.97

0.503

Tibial cut

10.575 ± 4.33

10.66 ± 4.49

9.813 ± 2.3

0.319

Femoral cut

7.175 ± 3.22

7.174 ± 3.3

7.18 ± 2.49

0.994

Post Condyle

8.723 ± 3.77

8.6 ± 3.88

9.826 ± 2.52

0.17

Joint gap

17.822 ± 6.27

17.733 ± 6.53

18.62 ± 3.15

0.449