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Table 1 Characteristics of the randomly selected samples for the analysis of molecular markers of drug resistance from cross sectional surveys in December 2001 (Cross1) and January 2003 (Cross 2)

From: Rapid increase of Plasmodium falciparum dhfr/dhps resistant haplotypes, after the adoption of sulphadoxine-pyrimethamine as first line treatment in 2002, in southern Mozambique

 

Cross1

N = 171

Cross2

N = 173

P-value

Median age (years) (25–75% percentile)

14

(8.0–27.8)

11

(6.0–23.5)

0.013

Gender, male (%)

43.3

45.7

0.772

Median P. falciparum density, parasites/μl (25–75% percentile)

125

(63–423)

332

(84–2242)

< 0.001

Donors with temperature >37.5°C (%)

4.1

4.6

0.982

  1. P-values: Mann-Whitney Rank Sum Test or χ2-tests comparisons between the two cross sectional surveys.