Table 1.
Comparison of X-ray and DTS results
| Diagnostics | Sensitivity | Specificity | Positive predictive value | |||
| X-ray | DTS | X-ray | DTS | X-ray | DTS | |
| Viewer 1 | 60.98% (50/82) | 91.46% (75/82) | 36.46% (35/96) | 90.63% (87/96) | 45.06% (50/111) | 89.29% (75/84) |
| Viewer 2 | 67.07% (55/82) | 95.12% (78/82) | 37.50% (36/96) | 90.63% (87/96) | 47.83% (55/115) | 89.66% (78/87) |
| Diagnostics | Negative predictive value | Accuracy | Diagnostic confidence (95%CI) | |||
| X-ray | DTS | X-ray | DTS | X-ray | DTS | |
| Viewer 1 | 52.24% (35/67) | 92.55% (87/94) | 47.75% (85/178) | 91.01% (162/178) | 0.799 (0.733~0.865) | 0.948 (0.914~0.982) |
| Viewer 2 | 57.14% (36/63) | 95.60% (87/91) | 51.12% (91/178) | 92.70% (165/178) | 0.831 (0.772~0.891) | 0.973 (0.949~0.997) |