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Table 1 Overall distribution of malariometric indicators by age groups among children in Mozambique

From: A country-wide malaria survey in Mozambique. I. Plasmodium falciparum infection in children in different epidemiological settings

 

Mean Estimation

<12 m

12–23 m

24–59 m

5 – <7 y

7 – <10 y

p-Value

P. falciparum

(%)

48.6

42.2

55.4

51.3

48.1

39.3

0.0002

Parasite density

(CI 95%)

1,211

(1,141–1,286)

1,671

(1,422–1,963)

1,939

(1,698–2,213)

1,172

(1,072–1,281)

673

(577–785)

650

(538–784)

 

Fever

(%)

9.4

15.1

13.2

7.1

5.9

6.5

0.0000

Fever & parasites

(%)

6.3

10.6

10.3

4.6

3.2

3.3

0.0000

Haemoglobin

(CI 95%)

9.9

(9.5–10.2)

9.2

(8.6–9.8)

9.0

(8.7–9.4)

9.9

(9.7–10.3)

10.6

(10.3–10.9)

10.9

(10.7–11.3)

 

Anaemia

(%)

69.8

81.2

83.6

70.7

53.4

46.5

0.0000

Gametocytes

(%)

5.6

6.5

7.2

5.8

3.5

3.3

0.0285

P. malariae

(%)

3.6

3.2

5.2

3.9

3.1

1.1

0.0172

Mixed infection

(%)

2.9

2.6

4.9

3.0

2.6

0.3

0.0003

  1. P. falciparum = Asexual forms; Gametocytes = Sexual forms only for P. falciparum; Mixed infection = Concomitant presence of P. falciparum and P. malariae; Parasite Density = Geometric mean parasite density only for P. falciparum, after log10 transformation (expressed as asexual parasites/μl; Fever = Axillary temperature ≥ 37.5°C; Fever & Parasites = Fever associated with one or more asexual forms of P. falciparum parasites; Anaemia = Haemoglobin < 11 g/dl.
  2. NB.: All point prevalence are mean estimation adjusted for stratification, clustering and design effect.