Table 4 Sensitivity and specificity of rK28 ELISA performed using serum and urine samples from VL patients and non-VL individuals for diagnosis of VL
| Â | Serum | Urine | |||||||
|---|---|---|---|---|---|---|---|---|---|
Group | Subjects (n) | Positive (n) | Sensitivity N (%) | Specificity n (%) | 95Â % CI | Positive (n) | Sensitivity n (%) | Specificity n (%) | 95Â % CI |
VL | 87 | 86 | 86 (98.85) | na | 93.76–99.97 | 83 | 83 (95.40) | na | 88.64–98.73 |
All controls (EC + NEC + DC + TB) | 81 | 3 | na | 78 (96.30) | 89.56–99.23 | 3 | na | 78 (96.30) | 89.56–99.23 |
EC | 33 | 1 | na | 32 (96.97) | 84.24–99.92 | 1 | na | 32 (96.97) | 84.24–99.92 |
NEC | 16 | 0 | na | 16 (100) | 79.41–100 | 1 | na | 15 (93.75) | 69.77–99.84 |
DC | 16 | 1 | na | 15 (93.75) | 69.77–99.84 | 0 | na | 16 (100) | 79.41–100 |
TB | 16 | 1 | na | 15 (93.75) | 69.77–99.84 | 1 | na | 15 (93.75) | 69.77–99.84 |