Table 2 Diagnostic accuracy, sensitivity, specificity, and inter-rater reliability (Cohen κ) for signs of implant degeneration
From: Photon-counting CT of degenerative changes and rupture of silicone breast implants: a pilot study
Accuracy (95% CI) | Sensitivity (95% CI) | Specificity (95% CI) | Inter-rater reliability | |
|---|---|---|---|---|
Folds | 0.81 (0.69, 0.90) | 0.75 (0.62, 0.88) | > 0.99 (0.70, > 0.99) | 0.93 |
Keyhole sign | 0.90 (0.79, 0.96) | 0.82 (0.70, 0.95) | > 0.99 (0.86, > 0.99) | 0.59 |
Fluid outside | 0.78 (0.65, 0.87) | 0.64 (0.39, 0.89) | 0.82 (0.70, 0.93) | 0.58 |
Fluid inside | > 0.99 (0.94, > 0.99) | > 0.99 (0.63, > 0.99) | > 0.99 (0.93, > 0.99) | > 0.99 |
Silicone outside | 0.95 (0.86, 0.99) | 0.50 (0.01, > 0.99) | 0.98 (0.95, > 0.99) | 0.65 |
Linguini sign | > 0.99 (0.94, > 0.99) | > 0.99 (0.16, > 0.99) | > 0.99 (0.94, > 0.99) | > 0.99 |