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Table 3 Prevalence of asymptomatic malaria infections in different seasons detected by microscopy and nRT-PCR

From: Risk factors for asymptomatic malaria infections from seasonal cross-sectional surveys along the China–Myanmar border

Diagnosis

Parasite

Early [n (%)]

Peak [n (%)]

Late [n (%)]

Total [n (%)]

P value1

Microscopy

P. vivax

9 (1.7)

13 (2.3)

3 (0.5)

25 (1.5)

0.066

P. falciparum

0

0

0

0

Mixed infection

0

0

0

0

Total

9 (1.7)

13 (2.3)

3 (0.5)

25 (1.5)

0.066

nRT-PCR

P. vivax

95 (18.4)

152 (26.3)

105 (17.9)

352 (21.0)

0.001

P. falciparum

0

14 (2.4)

18 (3.1)

32 (1.9)

< 0.001

Mixed infection

0

8 (1.4)

1 (0.2)

9 (0.5)

0.002

Total

95 (18.4)

174 (30.1)

124 (21.2)

393 (23.4)

0.001

  1. 1Chi square test or Fisher’s exact test for comparison among different seasons. Significant at P < 0.05. Mixed infection—P. falciparum and P. vivax