Table 3. Diagnostic Performance of CT Findings for Detecting Adnexal Torsion by Reader 1.
| CT Finding | Sensitivity | Specificity | Positive Predictive Value | Accuracy | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Transverse Scan | Coronal and Transverse Scans | P | Transverse Scan | Coronal and Transverse Scans | P | Transverse Scan | Coronal and Transverse Scans | Transverse Scan | Coronal and Transverse Scans | |
| Tubal thickening | 0.73 (0.60-0.83) [38/52] |
0.63 (0.50-0.75) [33/52] |
0.326 | 0.67 (0.53-0.78) [36/54] |
0.81 (0.69-0.90) [44/54] |
0.021 | 0.68 (0.55-0.79) [38/56] |
0.77 (0.62-0.87) [33/43] |
0.70 (0.60-0.78) [74/106] |
0.73 (0.63-0.80) [77/106] |
| Twisting of adnexal pedicle | 0.27 (0.17-0.40) [14/52] |
0.79 (0.66-0.88) [41/52] |
< 0.001 | 0.91 (0.80-0.96) [49/54] |
0.81 (0.69-0.90) [44/54] |
0.221 | 0.74 (0.50-0.89) [14/19] |
0.80 (0.67-0.89) [41/51] |
0.59 (0.50-0.68) [63/106] |
0.80 (0.72-0.87) [85/106] |
| Eccentric smooth wall thickening of adnexal mass | 0.52 (0.39-0.65) [27/52] |
0.58 (0.44-0.70) [30/52] |
0.452 | 0.52 (0.39-0.65) [28/54] |
0.50 (0.37-0.63) [27/54] |
1.000 | 0.51 (0.38-0.64) [27/53] |
0.53 (0.40-0.65) [30/57] |
0.52 (0.42-0.61) [55/106] |
0.54 (0.44-0.63) [57/106] |
| Eccentric septal thickening of adnexal mass | 0.15 (0.08-0.28) [8/52] |
0.15 (0.08-0.28) [8/52] |
NA | 0.87 (0.75-0.94) [47/54] |
0.87 (0.75-0.94) [47/54] |
1.000 | 0.53 (0.30-0.75) [8/15] |
0.53 (0.30-0.75) [8/15] |
0.52 (0.42-0.61) [55/106] |
0.52 (0.42-0.61) [55/106] |
| Eccentric poor enhancement of adnexal mass | 0.12 (0.05-0.23) [6/52] |
0.12 (0.05-0.23) [6/52] |
1.000 | 0.94 (0.84-0.99) [51/54] |
0.94 (0.84-0.99) [51/54] |
NA | 0.67 (0.35-0.88) [6/9] |
0.67 (0.35-0.88) [6/9] |
0.54 (0.44-0.63) [57/106] |
0.54 (0.44-0.63) [57/106] |
| Uterine deviation to side of involved adnexa | 0.08 (0.03-0.19) [4/52] |
0.12 (0.05-0.23) [6/52] |
0.634 | 0.87 (0.75-0.94) [47/54] |
0.89 (0.77-0.95) [48/54] |
1.000 | 0.36 (0.15-0.65) [4/11] |
0.50 (0.25-0.75) [6/12] |
0.48 (0.39-0.58) [51/106] |
0.51 (0.42-0.60) [54/106] |
| Ascites | 0.69 (0.57-0.80) [36/52] |
0.77 (0.64-0.86) [40/52] |
0.132 | 0.31 (0.21-0.45) [17/54] |
0.35 (0.24-0.49) [19/54] |
0.632 | 0.49 (0.38-0.61) [36/73] |
0.53 (0.42-0.64) [40/75] |
0.50 (0.41-0.59) [53/106] |
0.56 (0.46-0.65) [59/106] |
| Infiltration of periadnexal fat | 0.29 (0.18-0.42) [15/52] |
0.37 (0.25-0.50) [19/52] |
0.133 | 0.52 (0.39-0.65) [28/54] |
0.56 (0.42-0.68) [30/54] |
0.501 | 0.37 (0.24-0.52) [15/41] |
0.44 (0.30-0.59) [19/43] |
0.41 (0.32-0.50) [43/106] |
0.46 (0.37-0.56) [49/106] |
Data with 95% confidence intervals in parentheses and numerators and denominators in brackets. NA = not applicable