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Table 1 Demographic, anthropometric and clinical characteristics of the study population number

From: Disease activity and low physical activity associate with number of hospital admissions and length of hospitalisation in patients with rheumatoid arthritis

General demographics

   
 

Males (n= 70)

Females (n= 174)

Total

   Physical activity (MET-minutes/week)

1,674.5 (982.5 to 2,479.2)

1,470.0 (993.0 to 2,082.5)

1,550 (989.5 to 2,175.0)

   Age (years)

62.1 (55.8 to 68.7)

62.3 (52.8 to 70.2)

62.1 (53.8 to 69.4)

   Smoking status

   

   current smokers n (%)

14 (20.9%)

31 (18.1%)

45 (18.9%)

Anthropometric

   

   Height (cm)

172.9 ± 7.1

160.7 ± 6.9*

164.2 ± 8.8

   Weight (kg)

81.7 (73.1 to 93.0)

70.8 (61.6 to 81.3)**

73.8 (64.9 to 84.0)

   Body Mass Index (kg/m2)

27.1 (25.0 to 30.3)

26.7 (24.1 to 31.7)

27.0 (24.4 to 30.8)

   Fat-free mass (kg)

58.6 (53.1 to 65.4)

43.4 (39.1 to 46.9)**

45.9 (41.4 to 53.1)

   Fat mass (%)

28.6 (22.2 to 31.8

38.8 (34.6 to 43.1)**

36.2 (29.7 to 40.8)

RA characteristics

   

General characteristics

   

   Rheumatoid factor positive n (%)

45 (72.6%)

118 (77.1%)

163 (75.8%)

   Disease duration (years)

9.0 (3.5 to 18.0)

11.0 (4.0 to 20.0)

11.0 (4.0 to 19.0)

Disease activity

   

   C-Reactive protein (mg/L)

11.5 (6.0 to 22.2)

8.0 (5.0 to 20.0)

9.0 (5.0 to 21.0)

   ESR (mm/1 hr)

23.0 (5.0 to 39.0)

22.0 (12.2 to 39.0)

23.0 (10.0 to 39.0)

   Disease activity score 28

4.3 ± 1.4

4.2 ± 1.5

4.2 ± 1.4

Disability

   

   Health assessment Questionnaire

1.2 (0.5 to 2.1)

1.5 (0.5 to 2.1)

1.5 (0.5 to 2.1)

Medication

   

   DMARDs n (%)

65 (92.9%)

144 (83.2%)*

209 (86%)

   Methotrexate n (%)

41 (58.6%)

95 (54.9%)

136 (56%)

   antiTNFα n (%)

6 (8.6%)

24 (13.9%)

30 (12.3%)

   leflunomide n (%)

1 (1.4%)

10 (5.8%)

11 (4.5%)

   prednisolone n (%)

30 (42.9%)

51 (29.5%)

81 (33.3%)

   NSAID n (%)

16 (22.9%)

30 (17.3%)

46 (18.9%)

   Cholesterol-lowering n (%)

16 (22.9%)

28 (16.2%)

44 (18.1%)

  1. Results expressed as number (percentages), median (interquartile range) or mean ± SD as appropriate.
  2. ESR, erythrocyte sedimentation rate, DMARDs, disease modifying anti rheumatic drugs, NSAID, non-steroid anti-inflammatory drugs