Study

Senegal [12]

South [13]

Africa

Zambia [14]

Morocco [15]

Turkey [16]

Printo [17]

W, Europe

Guinea

n

30

78

78

80

196

2102

40

Women (%)

60

50

55

47

47

83

55

Average age at diagnosis (years)

8

8

8.7

7.53

7.0

5.4

8

Current average age (years)

11

13

11

10.85

8.8

9.4

15

Systemic (%)

6.6

7.69

26

26

15.3

16.4

7.5

Polyarthrite (%)

40.9

31.5

37.2

32

Polyarthritis RF+ (%)

20

14.1

11.5

6.6

20

Polyarthritis RF− (%)

40

26.9

34.6

30.6

10

Persistent oligoarthritis (%)

6.66

21.79

32.1

37.5

24.4

29.5

40

Extensive oligoarthritis (%)

5.12

5

9.6

21.5

7.5

Psoriasis (%)

1.2

1.3

1

7.5

Enthesic (%)

26.6

23

6.4

10.3

5

Undifferentiated (%)

2.5

2.5

VS average

25.1

40

28

30.7

26

CHAQ

0.73

0.84

0.7

0.6

VAS pain

28

20

23

40

General VAS

25

28

50