Table 2 Prevalence of subclinical malaria among pregnant women in two study sites using microscopy and rt-PCR during longitudinal visits
Pathogen positive | Diagnostic method | Positive rate by study sites | Total* n (%) | |
|---|---|---|---|---|
Shwe Kyin n (%) | Madaya n (%) | |||
(N = 384) | (N = 368) | (N = 752) | ||
Any malaria positive | Prevalence by rt-PCR | 26 (6.77) | 17 (4.62) | 43 (5.72) |
Once by microscopy | 5 (1.30) | 2 (0.54) | 7 (0.93) | |
Once by rt-PCR | 20 (5.21) | 12 (3.26) | 32 (4.26) | |
≥ Twice by microscopy | 1 (0.26) | – | 1 (0.13) | |
≥ Twice by rt-PCR | 6 (1.56) | 5 (1.36) | 11 (1.46) | |
P. falciparum positive | Prevalence by rt-PCR | 13 (3.39) | 7 (1.90) | 20 (2.66) |
Once by microscopy | 3 (0.78) | 1 (0.27) | 4 (0.53) | |
Once by rt-PCR | 11 (2.86) | 6 (1.63) | 17 (2.26) | |
≥ Twice by microscopy | – | – | – | |
≥ Twice by rt-PCR | 2 (0.52) | 1 (0.27) | 3 (0.40) | |
P. vivax positive | Prevalence by rt-PCR | 13 (3.39) | 8 (2.17) | 21 (2.79) |
Once by microscopy | 2 (0.52) | 1 (0.27) | 3 (0.40) | |
Once by rt-PCR | 9 (2.34) | 4 (1.09) | 13 (1.73) | |
≥ Twice by microscopy | 1 (0.26) | – | 1 (0.13) | |
≥ Twice by rt-PCR | 4 (1.04) | 4 (1.09) | 8 (1.06) | |
Mixed infection positive** | Prevalence by rt-PCR | – | 2 (0.54) | 2 (0.27) |
Once by microscopy | – | – | – | |
Once by rt-PCR | – | – | – | |
 > twice by microscopy | – | – | – | |
 > twice by rt-PCR | – | 2 (0.54) | 2 (0.27) | |