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Table 3 Asymptomatic malaria infection by age groups and strata as detected by malaria rapid diagnostic test and microscopy

From: Prevalence of asymptomatic malaria, submicroscopic parasitaemia and anaemia in Korogwe District, north-eastern Tanzania

Variable n RDT p-value Microscopy p-value
Positive (%) Negative (%) Positive (%) Negative (%)
Age groups (years)
 0–4 237 40 (16.9) 197 (83.1)   6 (2.53) 231 (97.5)  
 5–9 145 34 (23.6) 111 (76.6) < 0.01 10 (6.9) 135 (93.1) < 0.01
 10–14 118 38 (32.2) 80 (67.8)   13 (11.0) 105 (89.0)  
 15–19 65 18 (27.7) 47 (72.3)   4 (6.2) 61 (94.0)  
Strata
 Highland village 280 63 (22.5) 217 (77.5)   20 (7.1) 260 (93.0)  
 Lowland village 285 67 (23.5) 218 (76.5) 0.78 13 (4.6) 272 (95.4) 0.19
Total 565 130 (23.0) 435 (77.0)   33 (5.8) 532 (94.2)  
  1. p < 0.01 the proportion of asymptomatic malaria significantly high in the age group of 5–9 years by both RDT and microscopy compared to other age groups (in bold)