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Table 1 Demographic data and parasitological indexes of the study population

From: Genetic polymorphism of merozoite surface protein 2 and prevalence of K76T pfcrt mutation in Plasmodium falciparum field isolates from Congolese children with asymptomatic infections

Parameters Values
Mean age (year) 4.4 ± 2.5
Age range 1-9
Sex ratio (M/F) 1.1 (168/146)
Mean axillary temperature (°C) 36.5 ± 0.3
Axillary temperature range (°C) 36-37.4
Mean hematocrit (g/dl) 10.0
Hb ≥ 12.0 g/dl n(%) 73 (23.3%)
Hb 7.0 g/dl -11.9 g/dl n(%) 226 (72.2%)
Hb < 7.0 g/dl n(%) 4 (1.3%)
Hb not determined 10 (3.2%)
HbAA, n(%) 255 (81.5%)
HbAS, n(%) 58 (18.5%)
HbSS, n(%) 0
P. falciparum prevalence, n(%)  
Microscopy 27 (8.6%)
PCR 51 (16.0%)
Geometric mean parasite density (p/μl) 3,421
Parasite density range (p/μl) 62-16,090
Mean MOI 1.3
MOI-range 1-3
pfcrt K76T prevalence n(%)*  
Wild type 4 (8%)
Mutant type 47 (92%)
Number of individuals 313
  1. * Prevalence determined among PCR positive samples