1921
Volume 95, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645

Abstract

Abstract

Portable microscopy may facilitate quality diagnostic care in resource-constrained settings. We compared a handheld light microscope (Newton Nm1) with a mobile phone attachment to conventional light microscopy for the detection of in a cross-sectional study in rural Côte d'Ivoire. Single Giemsa-stained thick blood film from 223 individuals were prepared and read by local laboratory technicians on both microscopes under 1,000× magnification with oil. Of the 223 samples, 162 (72.6%) were positive, and the overall mean parasite count was 1,392/μL of blood. Sensitivity and specificity of the handheld microscope was 80.2% (95% confidence interval [CI]: 73.1–85.9%) and 100.0% (95% CI: 92.6–100.0%), respectively, with a positive and negative predictive value of 100.0% (95% CI: 96.4–100.0%) and 65.6% (95% CI: 54.9–74.9%), respectively. If sensitivity can be improved, handheld light microscopy may become a valuable public health tool for diagnosis.

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2016-10-05
2017-11-18
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  • Received : 26 Apr 2016
  • Accepted : 16 Jun 2016

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