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Table 2 Description of studied clinical characteristics among RA patients at baseline

From: Burden of rheumatoid arthritis on patients’ work productivity and quality of life

Characteristic

Argentina

Brazil

Colombia

Mexico

Total

(N = 75)

(N = 68)

(N = 72)

(N = 75)

(N = 290)

N

%

N

%

N

%

N

%

N

%

Clinical characteristics

 Body Mass Index [Mean/SD]

26.8

4.9

29.2

6.1

24.8

3.7

27.6

5.2

27.0

5.3

 Comorbidities

53

70.7

59

86.8

40

55.6

40

53.3

192

66.2

 Patients who underwent at least one previous orthopedic surgery

18

24.0

12

17.6

11

15.3

7

9.3

48

16.6

Disease characteristics

 Disease duration (years) [Mean/SD]

8.9

9.0

10.8

6.7

8.6

7.3

7.7

7.2

9.0

7.7

 Time since symptoms onset (years) [Mean/SD]

9.7

9.0

12

7.8

9.5

7.3

9.4

7.4

10.1

8.0

 Patients with medication coverage/insurance

68

90.7

47

69.1

69

95.8

55

73.3

239

82.4

 Use of DMARDs

66

88.0

60

88.2

62

86.1

69

92.0

260

89.7

Disease activity (RAPID3 score)

 Remission

9

12.0

3

4.4

6

8.3

15

20.0

33

11.4

 Low severity

17

22.7

1

1.5

9

12.5

11

14.7

38

13.1

 Moderate severity

14

18.7

23

33.8

21

29.2

21

28.0

79

27.2

 High severity

22

29.3

38

55.9

31

43.1

22

29.3

113

39.0

Direct medical resource utilization in the last three months

 Patients with at least one outpatient visit

58

77.3

52

76.5

58

80.5

56

74.7

224

77.2

 Patients with at least one visit to perform tests

47

62.7

48

70.6

45

62.5

49

65.3

196

67.9

 Patients who underwent at least one surgery (any type)

4

5.3

1

1.5

4

5.6

1

1.3

10

3.4