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Table 3 Frequency of anaemic children aged 6–59 months infected with microscopic and submicroscopic P. falciparum infections

From: Assessing the burden of submicroscopic Plasmodium infections in a pre-elimination malaria setting in sub-Saharan Africa, Guinea-Bissau

Variable

Number of individuals n (%)

Microscopic n (%)

Submicroscopic n (%)

Statistical analysis

Anaemia

 Mild

68 (38.0)

5 (7.0)

10 (16.0)

X2 = 7.54, df = 3, P = 0.048*# a

X2 = 0.32, df = 2, P = 0.89# b

 Moderate

14 (8.0)

3 (21.0)

1 (9.0)

 Severe

1 (1.0%)

1 (100.0)

0 (0.0)

 No

95 (53.0)

10 (11.0)

15 (18.0)

Anaemia

 Yes

83 (47.0)

9 (11.0)

11 (15.0)

X2 = 0.00, df = 1, P = 1.0a

X2 = 0.07, df = 1, P = 0.80b

 No

95 (53.0)

10 (11.0)

15 (18.0)

  1. a,bChi-square tests related to comparisons between anaemia and microscopic P. falciparum infections or submicroscopic P. falciparum infections, respectively. df = degrees of freedom
  2. #P-values according to Fisher’s exact test
  3. *Statistically significant