4.
转移性淋巴结与非转移性淋巴结GSI定量参数的诊断效能
GSI quantitative parameters for differential diagnosis of benign and metastatic lymph nodes in patients with NSCLC GSI
| Quantitative parameters | AUC | Threshold | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
| AUC: area under the receiver operating characteristic curve; NSCLC: non-small cell lung cancer; Data in parentheses are 95%CIs. | ||||||
| Size of lymph node | 0.780 | 0.7 | 90.6 (75.0-98.0) | 56.3 (37.7-73.6) | 87.1 (74.7-94.8) | 64.8 (34.6-88.2) |
| AP CT value | 0.934 | 92.1 | 82.4 (65.5-93.2) | 95.3 (84.2-99.4) | 93.3 (77.9-99.2) | 87.2 (74.3-95.2) |
| AP λHU | 0.951 | 2.75 | 88.2 (72.5-96.7) | 88.4 (74.9-96.1) | 85.8 (69.8-95.2) | 90.4 (77.3-97.3) |
| AP NIC | 0.833 | 0.15 | 97.1 (84.7-99.9) | 58.1 (42.1-73.0) | 64.7 (50.1-77.6) | 96.2 (80.4-99.9) |
| VP CT value | 0.744 | 83.0 | 55.9 (37.9-72.8) | 88.4 (74.9-96.1) | 79.2 (57.9-92.9) | 71.7 (57.6-83.2) |
| VP λHU | 0.662 | 2.5 | 52.9 (35.1-70.2) | 79.1 (64.0-90.0) | 66.7 (46.1-83.5) | 68.0 (53.3-80.4) |
| VP NIC | 0.638 | 0.6 | 44.1 (27.2-62.1) | 88.4 (74.9-96.1) | 75.1 (51.0-91.4) | 66.6 (52.9-78.6) |