n

%

OR

95%CI

p-value

Female sex

Low-income

Troubled schooling

Previous hospitalization

Previous ARF

Migratory polyarthritis

Prolonged hospitalization

8

11

2

7

7

6

9

53.3

73.3

13.3

46

46

40

60

1.52

1.33

0.66

2.7

2

1.12

2.7

0.35 - 6.6

0.24 - 7.4

0.1 - 4.7

0.58 - 13

0.44 - 8.96

0.25 - 4.9

0.6 - 12

0.57

0.74

0.68

0.201

0.35

0.87

0.19