Factors

Group I

Group II

OR (IC95%)

p

(n = 25)

(n = 78)

Type of hemoglobin

SC

14

41

1 (0.4 - 3)

0.7

SS

11

37

1.0

Age

>10 years

16

20

5 (1.8 - 15.2)

0.0004

≤10 years

9

58

1.0

Sex

male

17

45

1.6 (0.7 - 4.5)

0.3

female

8

33

1.0

Socioeconomic level

low

8

36

0.6 (0.2 - 1.6)

0.2

average

17

42

1.0

Vaso-occlusive crises ≥ 3/an

yes

20

27

7.6 (2.3 - 26.1)

0.00007

no

5

51

1.0

History of blood transfusion

Yes

10

06

8 (2.2 - 29.9)

0.001

no

15

72

1.0

Right hypocondrial pain

Yes

17

30

4.5 (1.6 - 13.3)

0.001

no

8

48

1.0

Icterus

yes

14

06

15 (4.3 - 57.4)

<10−6

no

11

72

1.0