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Table 1 Characteristics of the samples with knee and hip osteoarthritis

From: EQ-5D-5L utilities per health states in Spanish population with knee or hip osteoarthritis

Characteristic

Knee osteoarthritis

Hip osteoarthritis

N

%

Mean

SD

N

%

Mean

SD

Age (years)

397

 

71.42

9.06

361

 

67.88

11.67

Sex

Women

277

70

  

192

53

  

Men

120

30

  

169

47

  

Region

Basque Country

158

40

  

157

44

  

Canary Islands

81

20

  

80

22

  

Madrid

158

40

  

124

34

  

Type of health center

Primary healthcare center

230

58

  

204

57

  

Hospital

167

42

  

157

44

  

Joint with osteoarthritis

Right

110

28

  

138

38

  

Left

119

30

  

121

34

  

Both joints

168

42

  

102

28

  

BMI

389

 

29.67

4.87

355

 

28.16

4.57

Weight (kg)

395

 

77.67

14.00

357

 

76.47

15.04

Height (cm)

389

 

161.93

8.57

356

 

164.57

8.84

Charlson Index (No of comorbidities)

395

 

0.78

1.14

361

 

0.84

1.31

WOMAC – Pain score (0–100)

396

 

47.00

20.49

360

 

45.81

22.77

WOMAC – Stiffness score (0–100)

396

 

46.81

25.42

360

 

48.26

26.05

WOMAC – Physical function score (0–100)

397

 

51.08

20.95

360

 

52.43

23.05

WOMAC Score (0–100)

397

 

49.63

20.32

359

 

50.69

22.25

Oxford Scale Score (0–48)

395

 

21.96

9.96

359

 

22.84

10.62

EQ-5D-5 L Index

393

 

0.544

0.271

357

 

0.520

0.304

EQ-5D VAS (0–100)

390

 

57.36

21.55

359

 

54.47

22.27

  1. BMI Body mass index, SD Standard deviation, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index
  2. WOMAC: 0, worst; 100, best
  3. Oxford Scale Score: 0, worst; 48, best (severity of arthritis)
  4. EQ-5D-5 L Index: 0, death; 1, perfect health