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Table 2 Characteristics of patients with knee OA seen by general practitioners (GPs) and rheumatologists (RHs)

From: Comparison of general practitioners and rheumatologists' prescription patterns for patients with knee osteoarthritis

 

All patients

n = 1,821

GPs

n = 1,570

RHs

n = 251

P value

Age, years

67.3 ± 9.7

67.0 ± 9.7

69.8 ± 9.7

< 0.0001

Sex, % female

56.2

55.2

62.2

< 0.05

BMI, kg/m2

28.9 ± 4.7

29.1 ± 4.6

28.0 ± 4.9

< 0.01

Duration of disease, years

7.7 ± 5.7

7.8 ± 5.6

6.8 ± 5.4

< 0.01

Pain (VAS, 0-100 mm)

    

   On movement over the last 24 hr

61.6 ± 17.9

62.4 ± 17.6

57.3 ± 19.0

< 0.0001

   At rest

32.7 ± 20.0

33.9 ± 20.5

25.3 ± 20.6

< 0.0001

   Global pain

49.3 ± 16.4

49.8 ± 16.3

46.2 ± 17.1

< 0.01

Pain at night, %

47.1

49.9

29.7

< 0.0001

Daily disability, %

89.7

90.6

84.3

< 0.01

Presence of SF effusion, %

30.0

29.2

35.8

< 0.05

  1. Values are mean ± SD or percentage. BMI = body mass index; VAS = visual analog scale; SF = synovial fluid.