Diagnostic performance of suspicious US findings for 177 lymph nodesa
| Sensitivity | Specificity | PPV | NPV | Accuracy | |
|---|---|---|---|---|---|
| Microcalcification | 27.3 (21/77) | 95.0 (95/100) | 80.8 (21/26) | 62.9 (95/151) | 65.5 (116/177) |
| Cystic change | 28.6 (22/77) | 96.0 (96/100) | 84.6 (22/26) | 63.6 (96/151) | 66.7 (118/177) |
| Hyperechoic cortex | 42.9 (33/77) | 89.0 (89/100) | 75.0 (33/44) | 66.9 (89/133) | 68.9 (122/177) |
| Not oval shape | 15.6 (12/77) | 86.0 (86/100) | 46.1 (12/26) | 57.0 (86/151) | 55.3 (98/177) |
| Irregular margin | 26.0 (20/77) | 95.0 (95/100) | 80.0 (20/25) | 62.5 (95/152) | 65.0 (115/177) |
| At least 1 of US findings | 96.1 (74/77) | 65.0 (65/100) | 67.9 (74/109) | 95.6 (65/68) | 78.5 (119/177) |
↵a Data are percentages.