Table 2 Clinical evolution of hand osteoarthritis over 2 years

Number of the painful hand joint(s)

3.57

6.18

1

0

4

3.34

5.73

1

0

4

0.83

Number of soft tissue swellings

3.29

3.23

2

1

4

3.10

4.18

2

0

4

0.28

Number of Heberden’s and Bouchard’s nodes

8.80

5.23

9

5

12

10.06

4.96

10

7

13

0.00

Number of the tender joints upon pressure

7.86

8.60

5

2

10

7.82

8.64

4

2

11

0.53

Hand pain (VAS 0–100)

44.15

23.70

50

29

59

42.94

27.67

50

20

65

0.85

 Overall (0–300)

130.07

77.25

128.99

71.08

182.54

126.80

78.18

127.92

59.36

195.02

0.39

 Pain (0–100)

44.27

27.35

45.22

19.71

64.93

41.48

27.27

41.45

16.23

65.80

0.18

 Stiffness (0–100)

39.90

33.10

34.78

7.25

69.57

37.35

31.08

33.33

7.25

68.12

0.24

 Function (0–100)

45.90

27.02

48.47

24.80

66.67

47.97

28.15

48.95

24.80

73.27

0.18