Table 3.
Diagnostic accuracy of Standard Diagnostic Bioline malaria rapid diagnostic test by transmission season, Makarfi General Hospital, Kaduna State, Nigeria, December 2010–August 2011
| Variable (season) | Parameters for measures of diagnostic accuracy of malaria RDT (n) | Diagnostic accuracy of malaria RDT (%) | Microscopy | ||||||
|---|---|---|---|---|---|---|---|---|---|
| TP | FN | FP | TN | SN | SP | PPV | NPV | Mean parasite density (SD)/μL | |
| Low transmission (December–May) | 11 | 0 | 0 | 106 | 100.0 | 100.0 | 100.0 | 100.0 | 4,077 (10,926) |
| High transmission (June–August) | 20 | 0 | 4 | 154 | 100.0 | 97.5 | 83.3 | 100.0 | 10,647 (14,967) |
SN = sensitivity; SP = specificity; SD = standard deviation.