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Table 5 Ten-fold cross-validation result of linear regression

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

Folds

R-Squared

RMSE

MAE

1

0.7909

2.4680

2.2745

2

0.8112

3.413 2

2.1935

3a

0.8191

3.4761

2.1489

4

0.7757

2.0001

2.3061

5

0.7689

1.3435

2.3787

6

0.8062

3.4278

2.2121

7

0.8102

3.7062

2.1545

8

0.7872

2.7644

2.2485

9

0.7742

2.2820

2.3084

10

0.8006

3.9689

2.1762

All (Meanā€‰Ā±ā€‰SD)

0.794ā€‰Ā±ā€‰0.02

2.8851ā€‰Ā±ā€‰0.85

2.2402ā€‰Ā±ā€‰0.08

  1. aFold 3 showed the best R-squared value, and was chosen for model establishment