Table 4 Accuracy of CareStart pLDH for the detection of P. falciparum , retrospective evaluation
Results of microscopy corrected by PCR | Number | Identified as P. falciparum by CareStart pLDH | % Sensitivity (95% C.I.) | % Specificity (95% C.I.) |
|---|---|---|---|---|
All P. falciparum samples | 247 | 234 | 94.7 (91.2-97.2) | |
Pure Gametocytemia | 13 | 11 | 84.6 (54.6-98.1) | |
Asexual parasite density 1-100/μl | 27 | 20 | 74.1 (53.7-88.9) | |
Asexual parasite density 101-200/μl | 15 | 14 | 93.3 (68.1-99.8) | |
Asexual parasite density 201–1,000/μl | 34 | 33 | 97.1 (84.7-99.9) | |
Asexual parasite density >1,000/μl | 158 | 156 | 98.7 (95.5-99.9) | |
Asexual parasite density >100/μl | 207 | 203 | 98.1 (95.1-99.5) | |
All other species and negative samples | 251 | 9* | 96.4 (93.3-98.4) |