Table 2. Diagnostic Parameters for Detecting Adnexal Torsion.
Parameter | Reader 1 | Reader 2 | ||||
---|---|---|---|---|---|---|
Transverse Scan | Coronal and Transverse Scans | P | Transverse Scans | Coronal and Transverse Scans | P | |
AUC | 0.74 (0.64-0.82) |
0.92 (0.85-0.96) |
< 0.001 | 0.75 (0.66-0.83) |
0.87 (0.79-0.92) |
0.004 |
Sensitivity | 0.35 (0.23-0.48) [18/52] |
0.87 (0.74-0.94) [45/52] |
< 0.001 | 0.42 (0.30-0.56) [22/52] |
0.87 (0.74-0.94) [45/52] |
< 0.001 |
Specificity | 0.87 (0.75-0.94) [47/54] |
0.83 (0.71-0.91) [45/54] |
0.691 | 0.85 (0.73-0.93) [46/54] |
0.76 (0.63-0.85) [41/54] |
0.181 |
Positive predictive value | 0.72 (0.52-0.86) [18/25] |
0.83 (0.71-0.91) [45/54] |
0.73 (0.55-0.86) [22/30] |
0.78 (0.65-0.87) [45/58] |
||
Accuracy | 0.61 (0.52-0.70) [65/106] |
0.85 (0.77-0.91) [90/106] |
0.64 (0.55-0.73) [68/106] |
0.81 (0.73-0.88) [86/106] |
Data with 95% confidence intervals in parentheses and numerators and denominators in brackets. AUC = area under receiver operating characteristic curve