Table 6

Sensitivity analysis of maternal immunity function on models predictions of PE with (a) no maternal immunity function, (b) with fixed non-parametric function used in the paper (Baseline) and (c) function based on maternal immunity to severe disease.

Study Site

Observed PE (%, 95% CI)

Model PE (%)

(a) No immunity

(b) Baseline

(c) Alternative based on immunity to severe disease

Ifakara

58.8 (40.8–71.3)

32.4

23.0

26.4

Manhica

20.1 (2.1–34.9)

38.6

32.0

34.0

Navrongo

29.3 (17.7–39.5)

38.5

31.9

34.1

Lamebarene

22.0 (-25.4–51.5)

28.2

23.6

26.0

Kumasi

20.9 (8.9–31.3)

38.0

25.9

30.3

Tamale

33.3 (20.7–43.8)

29.7

24.9

27.4

Gosling et al. Malaria Journal 2008 7:54   doi:10.1186/1475-2875-7-54