Skip to main content

Table 2 Incidence rate of clinical malaria and protective efficacy after 52 weeks of follow-up per treatment group and age category

From: Impact of intermittent preventive treatment with sulphadoxine-pyrimethamine targeting the transmission season on the incidence of clinical malaria in children in Mali

 

<5 years

5–10 years

All

 

sIPT-

sIPT +

sIPT-

sIPT +

sIPT-

sIPT +

Number of malaria episodes

127

65

94

65

221

130

Person-days (-years) of follow up

17311 (47.6)

16590(45.6)

20799 (57.1)

24025 (66.0)

38110 (104.7)

40615 (111.6)

Incidence rate malaria disease per 1000 person-days (-years) of follow up

7.3 (2.67)

3.9(1.43)

4.5 (1.65)

2.7 (0.98)

5.8 (2.11)

3.2 (1.16)

Unadjusted PE in % (95% CI)

Reference group

46.6 (28.0–60.4

Reference group

40.1 (17.9–56.4)

Reference group

44.8 (31.5–55.6)

Age adjusted PE in % (95% CI)

Reference group

46.6 (28.0 – 60.4)

Reference group

35.9 (11.8–53.4)

Reference group

42.5 (28.6 – 53.8)

  1. sIPT - = control group
  2. sIPT + = treatment group
  3. PE = Protective efficacy