Sensitivity (%) | Specificity (%) | Accuracy (%) | PPV (%) | NPV (%) | LR (+) | LR (−) | |
---|---|---|---|---|---|---|---|
Imaging findings | |||||||
Tumor composition | |||||||
Mixed solid and cystic | 41.7 (5/12) | 72.9 (35/48) | 66.7 (40/60) | 27.8 (5/18) | 83.3 (35/42) | 1.54 [0.68–3.47] | 0.80 [0.49–1.31] |
Heterogeneity | 83.3 (10/12) | 39.6 (19/48) | 48.3 (29/60) | 25.6 (10/39) | 90.5 (19/21) | 1.38 [0.98–1.94] | 0.42 [0.11–1.59] |
Portal enhancement pattern | |||||||
Progressive enhancement | 91.7 (11/12) | 27.1 (13/48) | 40.0 (24/60) | 23.9 (11/46) | 92.9 (13/14) | 1.26 [0.99–1.60] | 0.31 [0.04–2.24] |
Adjacent organ involvement | 50.0 (6/12) | 66.7 (32/48) | 63.3 (38/60) | 27.3 (6/22) | 84.2 (32/38) | 1.50 [0.75–3.00] | 0.75 [0.42–1.35] |
Vascular involvement | 33.3 (4/12) | 56.3 (27/48) | 51.7 (31/60) | 16.0 (4/25) | 77.1 (27/35) | 0.76 [0.32–1.80] | 1.19 [0.77–1.83] |
1. Tumor margin | |||||||
Ill-defined Irregular | 83.3 (10/12) | 52.1 (25/48) | 58.3 (35/60) | 30.3 (10/33) | 92.5 (25/27) | 1.74 [1.18–2.57] | 0.32 [0.09–1.18] |
2. Enhancement degree | |||||||
Moderate | 91.7 (11/12) | 83.3 (40/48) | 85.0 (51/60) | 57.9 (11/19) | 97.6 (40/41) | 5.50 [2.86–10.59] | 0.10 [0.02–0.66] |
1 + 2 | 83.3 (10/12) | 93.8 (45/48) | 91.7 (55/60) | 76.9 (10/13) | 95.7 (45/47) | 13.33 [4.33–41.05] | 0.18 [0.05–0.63] |