Opioid | Detected | Not detected | Total | PPV | 94.08% (90.92, 96.18) |
---|---|---|---|---|---|
Expected | 270 | 17 | 287 | NPV | 91.79% (88.2, 94.36) |
Not expected or unknown | 22 | 246 | 268 | Sensitivity | 92.47% (88.82, 95.22) |
Total | 292 | 263 | N = 555 | Specificity | 93.54% (89.85, 96.19) |
Fentanyl | Detected | Not detected | Total | PPV | 93.31% (89.91, 95/62) |
---|---|---|---|---|---|
Expected | 251 | 18 | 256 | NPV | 93.01% (89.71, 95.31) |
Not expected or unknown | 20 | 266 | 299 | Sensitivity | 92.62% (88.83, 95.43) |
Total | 271 | 284 | N = 555 | Specificity | 93.66% (90.17, 96.20) |
Heroin | Detected | Not detected | Total | PPV | 100% |
---|---|---|---|---|---|
Expected | 8 | 0 | 8 | NPV | 79.52% (78.74, 80.29) |
Not expected | 112 | 435 | 547 | Sensitivity | 6.67% (2.92, 12.71) |
Total | 120 | 435 | N = 555 | Specificity | 100% (99.16, 100) |