Table 2.
Test.
| Sensitivity in % (95% CI) | Specificity in % (95% CI) | PPV in % (95% CI) | NPV in % (95% CI) | Accuracy | |
|---|---|---|---|---|---|
| Observer 1 ECS assessment | 57 (43–70) | 81 (65–92) | 82 (67–91) | 56 (42–68) | 67 |
| Observer 1 3+ criteria identified | 41 (28–55) | 89 (73–96) | 85 (68–94) | 50(38–61) | 60 |
| Observer 2 ECS assessment | 66 (52–78) | 76 (59–88) | 80 (67–89) | 60 (45–72) | 70 |
| Observer 2 3+ criteria identified | 54 (40–67) | 86(70–95) | 86 (69–95) | 55 (42–68) | 67 |
| Consensus ECS assessment | 65 (49–79) | 84 (66–95) | 85 (69–93) | 63 (48–76) | 72 |
ECS: extracapsular spread; CI: confidence interval; PPV: positive predictive value; NPV: negative predictive value.