Skip to main content

Table 2 Description of Plasmodium falciparum infected and uninfected study participants (defined by qPCR)

From: Changing plasma cytokine, chemokine and growth factor profiles upon differing malaria transmission intensities

 Infected (by qPCR)Uninfected (by qPCR)
20102013p-value20102013p-value
N9665 13878 
Age [median (IQR)]9.79 (3.61–35.89)10.06 (3.31–27.64)0.46228.4 (5.86–64.03)7.18 (3.28–36.38)0.002
Age group (%)  0.737  0.016
 < 2 years8 (8.3)10 (15.4)15 (10.9)14 (17.9)
 2–5 years29 (30.2)16 (24.6)15 (10.9)15 (19.2)
 5–10 years12 (12.5)6 (9.2)15 (10.9)14 (17.9)
 10–20 years15 (15.6)12 (18.5)0 (0.0)1 (1.3)
 20–60 years23 (24.0)16 (24.6)45 (32.6)18 (23.1)
 > 60 years9 (9.4)5 (7.7)48 (34.8)16 (20.5)
Male (%)42 (43.8)31 (47.7)0.63249 (35.5)33 (42.3)0.381
Anaemia (%)47 (49.0)28 (43.1)0.52179 (57.2)39 (50.0)0.322
Area (%)  0.002  < 0.001
 Ilha Josina19 (19.8)19 (29.2)23 (16.7)4 (5.1)
 Malavele7 (7.3)9 (13.8)12 (8.7)11 (14.1)
 Manhiça26 (27.1)11 (16.9)45 (32.6)25 (32.1)
 Maragra30 (31.2)6 (9.2)51 (37.0)15 (19.2)
 Palmeira11 (11.5)16 (24.6)4 (2.9)17 (21.8)
 Taninga3 (3.1)4 (6.2)3 (2.2)6 (7.7)
Par. dens. qPCR (parasites/µL) [median (IQR)]10.46 (1.61–102.94)7.61 (1.43–299.84)0.999NANA
Clinical malaria (%)  0.026NANA
 No93 (96.9)55 (84.6)
 Yes3 (3.1)8 (12.3)
 NA0 (0.0)2 (3.1)
  1. Continuous variables were analysed using the non-parametric Wilcoxon rank-sum test. Comparisons between groups for categorical variables were done using Fisher’s exact test. Parasite densities were log10 transformed