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Table 2 Parasitological characteristics of study participants by season

From: Increased investment in gametocytes in asymptomatic Plasmodium falciparum infections in the wet season

 

dry

N = 1116

wet

N = 1743

 

Parasitological data

  

P value

 Parasite prevalence

151/1116 (13.5%)

305/1743 (17.5%)

0.0047*

 Geometric mean parasite density

7.29 [4.18–12.7]

8.98 [5.92–13.6]

0.5620

 Proportion subpatent infections (< 100 parasites/μL)

111/151 (73.5%)

218/305 (71.5%)

0.6483

 Population gametocyte prevalence

51/1116 (4.6%)

68/1743 (3.9%)

0.3826

 Proportion gametocyte positive infections

51/151 (33.8%)

68/305 (22.3%)

0.0086*

 Geometric mean pfs25 density

1.05 [0.76–1.46]

3.46 [2.00–5.97]

< 0.0001*

  1. Data for both sites combined. Numbers in brackets are 95% confidence intervals; asterisk (*) indicate significant at P < 0.05; densities are determined using T-test; and differences in prevalence using the Chi-Square test