Table 5.
Outcomes of IQ-BTP and gold standard contingency table (BTcP presence)
| IQ-BTP (new test) | Physician judgment (gold standard) | ||
|---|---|---|---|
| Positive | Negative | Total | |
| Positive | 128 | 77 | 205 |
| Negative | 58 | 490 | 548 |
| Total | 186 | 567 | 753 |
| Accuracy | % | 95% CI | M |
|---|---|---|---|
| Sensitivity | 69 | 65.5–72.1 | 3.3 |
| Specificity | 86 | 84.0–88.9 | 2.4 |
| Positive predictive value | 62 | 59.0–65.9 | 3.5 |
| Negative predictive value | 75 | 87.2–91.6 | 2.2 |
Positive and negative outcomes imply the presence or absence of BTP, respectively
M, Margin of error (one half width of CI)