Pathological diagnosis | Total | Kappa value | |||||||
---|---|---|---|---|---|---|---|---|---|
Benign | Malignant | ||||||||
% | % | % | |||||||
Benign | 27 | 75.0 | 30 | 55.6 | 57 | 63.3 | 0.177 | 0.061 | |
Malignant | 9 | 25.0 | 24 | 44.4 | 33 | 36.7 | |||
Total | 36 | 40.0 | 54 | 60.0 | 90 | 100.0 | |||
Benign | 28 | 77.8 | 22 | 41.5 | 50 | 56.2 | |||
Malignant | 8 | 22.2 | 32 | 58.5 | 40 | 43.8 | 0.341 | ||
Total | 36 | 40.0 | 54 | 60.0 | 90 | 100.0 | |||
Benign | 21 | 58.3 | 17 | 31.5 | 38 | 42.2 | 0.266 | ||
Malignant | 15 | 41.7 | 37 | 68.5 | 52 | 57.8 | |||
Total | 36 | 40.0 | 54 | 60.0 | 90 | 100.0 | |||
Benign | 26 | 72.2 | 19 | 35.8 | 45 | 50.0 | |||
Malignant | 10 | 27.8 | 35 | 64.2 | 45 | 50.0 | 0.350 | ||
Total | 36 | 40.0 | 54 | 60.0 | 90 | 100.0 | |||
Benign | 18 | 50.0 | 6 | 11.3 | 24 | 27.0 | |||
Malignant | 18 | 50.0 | 48 | 88.7 | 66 | 73.0 | 0.409 | ||
Total | 36 | 40.0 | 54 | 60.0 | 90 | 100.0 | |||
Benign | 18 | 50.0 | 5 | 9.6 | 23 | 26.1 | 0.428 | ||
Malignant | 18 | 50.0 | 49 | 90.4 | 67 | 73.9 | |||
Total | 36 | 40.0 | 54 | 60.0 | 90 | 100.0 |
Pathological diagnosis | X2 | ||||||
---|---|---|---|---|---|---|---|
Benign | Malignant | ||||||
% | % | ||||||
Round | 2 | 5.6 | 13 | 24.1 | |||
Ovoid | 34 | 94.4 | 41 | 75.9 | 5.333 | ||
Normal fatty hilum | 17 | 47.2 | 13 | 24.1 | 5.213 | ||
Abnormal obliterated hilum | 19 | 52.8 | 41 | 75.9 | |||
No | 28 | 77.8 | 46 | 85.2 | |||
Yes | 8 | 22.2 | 8 | 14.8 | 0.811 | 0.368 | |
Regular | 36 | 100.0 | 50 | 92.6 | 2.791 | 0.147 | |
Irregular | 0 | 0.0 | 4 | 7.4 | |||
No | 34 | 94.4 | 53 | 98.1 | 0.92 | 0.561 | |
Yes | 2 | 5.6 | 1 | 1.9 | |||
Hypoechoic | 34 | 94.4 | 54 | 100.0 | 2.900 | 0.163 | |
Isoechoic | 2 | 5.6 | 0 | 0.0 |
Threshold value | Sensitivity | Specificity | Positive predictive value | Negative predictive value | Area under the curve | Confidence interval (95%) | ||
---|---|---|---|---|---|---|---|---|
>24 | 40.0 | 88.0 | 87.0 | 42.3 | 0.642 | 0.523–0.749 | ||
>10 | 54.0 | 84.0 | 87.1 | 47.7 | 0.73 | 0.615–0.826 | ||
≤1.46 | 24.0 | 100.0 | 100.0 | 39.7 | 0.624 | 0.504–0.733 | 0.060 | |
>0.76 | 52.9 | 80.0 | 84.4 | 45.5 | 0.621 | 0.503–0.730 | 0.055 | |
>1.26 | 66.7 | 60.0 | 76.2 | 48.4 | 0.639 | 0.518–0.748 | ||
>0.41 | 66.7 | 52.0 | 72.7 | 44.8 | 0.573 | 0.452–0.688 | 0.295 | |
≤136 | 39.6 | 84.0 | 82.6 | 42.0 | 0.531 | 0.410–0.649 | 0.656 | |
>1.75 | 47.1 | 88.0 | 88.9 | 44.9 | 0.688 | 0.571–0.789 |
No stiff area within the lesion | |
The percentage of stiff area is less than 45% | |
The percentage of stiff area is greater than 45% | |
The lesion is mostly stiff | |
The lesion is completely stiff |
Sensitivity | Specificity | Positive predictive value | Negative predictive value | Area under the curve | Confidence interval (95%) | Accuracy | ||
---|---|---|---|---|---|---|---|---|
44.4 | 75.0 | 72.7 | 47.4 | 0.597 | 0.489–0.699 | 0.108 | 56.7 | |
58.5 | 77.8 | 79.5 | 56.0 | 0.681 | 0.574–0.776 | 66.3 | ||
68.5 | 58.3 | 71.2 | 55.3 | 0.634 | 0.526–0.733 | 64.4 | ||
64.2 | 72.2 | 77.3 | 57.8 | 0.682 | 0.575–0.777 | 67.4 | ||
88.7 | 50.0 | 72.3 | 75.0 | 0.693 | 0.587–0.787 | 73.0 | ||
90.4 | 50.0 | 72.3 | 78.3 | 0.702 | 0.595–0.795 | 73.9 |
Threshold value | Sensitivity | Specificity | predictive Positive value | predictive Negative value | Area under the curve | Confidence interval (95%) | ||
---|---|---|---|---|---|---|---|---|
>33 | 33.3 | 100.0 | 100.0 | 84.6 | 0.515 | 0.242–0.781 | 0.947 | |
>14 | 66.7 | 90.9 | 66.7 | 90.9 | 0.742 | 0.447–0.932 | 0.232 | |
≤2.21 | 100.0 | 54.6 | 37.5 | 100.0 | 0.788 | 0.494–0.954 | ||
>0.76 | 100.0 | 54.6 | 37.5 | 100.0 | 0.742 | 0.447–0.932 | 0.102 | |
>1.34 | 100.0 | 54.6 | 37.5 | 100.0 | 0.697 | 0.402–0.906 | 0.180 | |
>0.41 | 100.0 | 54.6 | 37.5 | 100.0 | 0.727 | 0.432–0.923 | 0.106 | |
>181 | 0.0 | 63.6 | 0.0 | 70.0 | 0.53 | 0.255–0.793 | 0.848 | |
>1.96 | 66.7 | 81.8 | 50.0 | 90.0 | 0.576 | 0.292–0.826 | 0.758 |