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Table 1 Characteristics of the study population

From: Antibody levels to multiple malaria vaccine candidate antigens in relation to clinical malaria episodes in children in the Kasena-Nankana district of Northern Ghana

Characteristics

Cumulative incidence of malaria

Child year at risk

No. of malaria episodes

Incidence rate per 100 child year (95% CI)

Age group

    

12 <24 months

52.5% (21/40)

34.9

28

80 (55, 116)

24 <36 months

31.5% (17/54)

46.1

24

52 (35, 78)

36 <48 months

12.8% (10/78)

75.1

12

16 (9, 28)

48 <60 months

10.3% (8/78)

76.4

9

12 (6, 23)

60 <73 months

10.8% (7/65)

62.2

7

11 (5, 23)

Baseline P. falciparum parasitemia level

    

   Negative

41.4% (24/58)

52.1

31

59 (42, 84)

   Positive

15.2% (39/257)

242.7

49

20 (15, 27)

TOTAL

20% (63/315)

295.1

80

27 (22, 34)

  1. Clinical malaria is defined as history of fever or temperature>= 37.5 and parasite density>= 5000 u/l