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Table 1 Dataset split of included patients

From: Automatic assessment of knee osteoarthritis severity in portable devices based on deep learning

Classification

Training set

Validation set

Test set

Patients

1532

149

697

Radiographs

1598

158

823

Right knees

1337

141

495

Left knees

1162

122

446

Total knees

2499

263

941

Implants

267

21

96

TKA

158

12

59

UKA

86

4

24

PFA

8

1

3

E–F

2

1

3

I-F

13

3

7

K-L scales

K-L 0

49

1

3

K-L 1

214

10

59

K-L 2

237

26

146

K-L 3

1002

115

379

K-L 4

997

111

354

Total

2499

263

941

  1. TKA Total knee arthroplasty; UKA Unicompartmental knee arthroplasty; I-F Internal fixation; E–F External fixation; PFA Patellofemoral arthroplasty; K-L Kellgren–Lawrence scales