Ann Clin Microbiol 2024;27(3):155-170. Malaria diagnostics: from traditional techniques to cutting-edge solutions

Table 1. Comparison of methods for diagnosing Plasmodium-infected patients
Methods Sensitivity (%) Specificity (%) Limit of detection (parasites/µL) Time for result Skill level Equipment Cost/Test ($) References
Microscopy Moderate to high (70-90) High (95-100) 50-100 30-60 min High Microscope 0.5-2 [7], [10]
PCR Very high (>95) Very high (>95) 1-5 4-6 hrs High Thermal cycler, gel electrophoresis 10-20 [52], [54]
Real-time PCR Very high (>95) Very high (>95) 0.064 – 1.6 2-4 hrs High Real-time thermal cycler 15-25 [60], [61], [62]
LAMP High (90-95) High (95-100) 1-10 1-2 hrs Moderate Simple heater or water bath 2-5 [38], [66]
RPA High (85-95) High (95-100) 1-10 20-40 min Moderate Simple heater or water bath 5-10 [73]
RDT Moderate to high (70-90) Moderate to high (85-95) 100-200 10-20 min Low None 0.5-3 [6], [9]

Abbreviations: PCR, polymerase chain reaction; LAMP, loop-mediated isothermal amplification; RPA, recombinase polymerase amplification; RDT, rapid diagnostic test.