Table 3:

Individual reader performance results

Sensitivity (95% CI)Specificity (95% CI)Accuracy (95% CI)
Reader 1
    CAD−55.6% (5/9) (26.7%–81.1%)76.9% (30/39) (61.7%–87.4%)72.9% (35/48) (59.0%–83.4%)
    CAD+77.8% (7/9) (45.3%–93.7%)66.7% (26/39) (51.0%–79.4%)68.8% (33/48) (54.7%–80.1%)
Reader 2
    CAD−66.7% (6/9) (35.4%–87.9%)74.4% (29/39) (58.9%–85.4%)72.9% (35/48) (59.0%–83.4%)
    CAD+88.9% (8/9) (56.5%–98.0%)79.5% (31/39) (64.5%–89.2%)81.3% (39/48) (68.1%–89.8%)
Reader 3
    CAD−77.8% (7/9) (45.3%–93.7%)84.6% (33/39) (70.3%–92.8%)83.3% (40/48) (70.4%–91.3%)
    CAD+100% (9/9) (70.1%–100.0%)79.5% (31/39) (64.5%–89.2%)83.3% (40/48) (70.4%–91.3%)
Reader 4a
    CAD−66.7% (6/9) (35.4%–87.9%)82.1% (32/39) (67.3%–91.0%)79.2% (38/48) (65.7%–88.3%)
    CAD+77.8% (7/9) (45.3%–93.7%)76.9% (30/39) (61.7%–87.4%)77.1% (37/48) (63.5%–86.7%)
Reader 5
    CAD−88.9% (8/9) (56.5%–98.0%)79.5% (31/39) (64.5%–89.2%)81.3% (39/48) (68.1%–89.8%)
    CAD+77.8% (7/9) (45.3%–93.7%)74.4% (29/39) (58.9%–85.4%)75% (36/48) (61.2%–85.1%)
Reader 6
    CAD−66.7% (6/9) (35.4%–87.9%)79.5% (31/39) (64.5%–89.2%)77.1% (37/48) (63.5%–86.7%)
    CAD+77.8% (7/9) (45.3%–93.7%)76.9% (30/39) (61.7%–87.4%)77.1% (37/48) (63.5%–86.7%)
  • a General radiologist, all other readers are neuroradiologists.