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Summary of the performance of the Chagas Stat-Pak assay on blood and serum samples from Latin-American migrants in Geneva, Switzerlanda
| Sample | Sensitivity (%) (95% CI) | Specificity (%) (95% CI) | Positive PV (%) (95% CI) | Negative PV (%) (95% CI) |
|---|---|---|---|---|
| Blood | 95.2 (89.2-97.9) | 99.9 (99.3-100) | 99.0 (94.6-99.8) | 99.4 (98.5-99.7) |
| Serum | 96.0 (91.0-98.3) | 99.8 (99.2-99.9) | 98.4 (94.2-99.5) | 98.4 (94.2-99.5) |
95% CI, 95% confidence interval; PV, predictive value.
