Table 1 Diagnostic performance of the 13C-UBT and 14C-UBT
Method | Histology | Sens (%) | Spec (%) | Acc (%) | FPR (%) | FNR (%) | ||
|---|---|---|---|---|---|---|---|---|
+ | − | 95%CI | 95%CI | 95%CI | 95%CI | 95%CI | ||
13C-UBT | + | 136 | 28 | 95.1 | 62.2 | 83.9 | 37.8 | 4.9 |
− | 7 | 46 | 89.8–97.8 | 50.1–73.0 | 78.4–88.2 | 27.0–49.9 | 2.2–10.2 | |
14C-UBT | + | 186 | 34 | 96.9 | 54.7 | 85 | 45.3 | 3.1 |
− | 6 | 41 | 93.0–98.7 | 42.8–66.1 | 80.2–88.8 | 33.9–57.2 | 1.3–7.0 | |