Table 4.
Calculated parameters for the assessment of the different methods used in the diagnosis of the intestinal parasites
| Positive No (%) | Sensitivity (%) (95% CI) |
Specificity. (%) (95% CI) |
PPV (%) | NPV (%) (95% CI) |
Accuracy (%) (95% CI) |
|
|---|---|---|---|---|---|---|
| Protozoa | ||||||
| FECM | 40 (44) | 100 (91–100) | 100 (93–100) | 100 | 100 | 100 (96–100) |
| FLOTAC (FS1,FS2) | 39 (43.3) | 97.5 (87–100) | 100 (93 −100) | 100 | 100 (88–99) | 99 (94–99) |
| Helminths | ||||||
| Kato -Katz | 52 (57.8) | 100 (93–100) | 100 (91–100) | 100 | 100 | 100 (95–100) |
| FECM | 25 (27.8) | 48 (34–62) | 100 (90–100) | 100 | 58 (51–64) | 70 (59–79) |
| FLOTAC (FS7) | 40 (44.4) | 77 (63–87.47) | 100 (91–100) | 100 | 76 (66–84) | 87 (78–93) |
PPV, positive predictive value; NPV, negative predictive value; CI, confidence interval.