Table 3 Baseline and follow-up detection of malaria parasites
From: Repeated sampling improved the sensitivity of malaria microscopy in children under six years
Sampling time | Diagnostic methods | ||||
|---|---|---|---|---|---|
Microscopy | Malaria rapid test | ||||
Number of patients | % | Number of patients | % | McNemar's test | |
Baseline | 21.0 (p < 0.0001) | ||||
Positive | 53a,b | 29.9 | 76c,d | 42.9 | |
Range of parasitaemia (/µL) | 9815–83,452 | ||||
Mean axillary temperature | 38.3 °C | ||||
Negative | 124 | 70.1 | 101 | 52.5 | |
Mean axillary temperature | 37.1 °C | ||||
6 h re-sampling on baseline negative patients | 4.1 (p = 0.041) | ||||
Positive | 9 | 7.9 | 3 | 3.0 | |
Range of parasitaemia (/µL) | 1708–4416 | ||||
Mean axillary temperature | 37.7 °C | ||||
Negative | 105 | 92.1 | 98 | 97.0 | |
Mean axillary temperature | 37.7 °C | ||||
Cumulative positive patients | 62a | 35.0 | 79c | 44.6 | |
12 h sampling on 12-h negative results | 5.1 (p = 0.023) | ||||
Range of parasitaemia (/µL) | 2205–7110 | ||||
Positive | 12 | 11.4 | 5 | 5.1 | |
Mean axillary temperature | 37.8 °C | ||||
Negative | 93 | 88.6 | 93 | 94.9 | |
Mean axillary temperature | 37.6 °C | ||||
Cumulative positive patients | 74b | 41.8 | 84d | 47.5 | |
Total malaria negative samples | 103 | 58.2 | 93 | 52.5 | |