Table 2.
Diagnostic parameters of the Kaiser score (KS) readings for all three readers stratified by lesion presentation as all lesions, mass lesions, or non-mass lesions
| Sensitivity (TP/TP + TN) | 95% CI | Specificity (TN/TN + FP) | 95% CI | +LR | −LR | |
|---|---|---|---|---|---|---|
| All lesions (n = 167) | ||||||
| KS R1 | 96.8 (92/95) | 91.0–99.3 | 65.3 (46/72) | 53.1–76.1 | 2.79 | 0.048 |
| KS R2 | 98.9 (94/95) | 94.3–100.0 | 58.3 (41/72) | 46.1–69.8 | 2.37 | 0.018 |
| Mass lesions (n = 51) | ||||||
| KS R1 | 100.0 (29/29) | 88.1–100.0 | 68.2 (15/22) | 45.1–86.1 | 3.14 | n.a. |
| KS R2 | 100.0 (29/29) | 88.1–100.0 | 68.2 (15/22) | 45.1–86.1 | 3.14 | n.a. |
| Non-mass lesions (n = 116) | ||||||
| KS R1 | 95.5 (63/66) | 87.3–99.1 | 64.0 (32/50) | 49.2–77.1 | 2.65 | 0.071 |
| KS R2 | 98.5 (65/66) | 91.8–100.0 | 54.0 (27/50) | 39.3–68.2 | 2.14 | 0.028 |