Table 3 HU measurements that differed significantly in metastatic and negative lymph nodes
From: Computed tomography Hounsfield units can predict breast cancer metastasis to axillary lymph nodes
Cutoff value | Sensitivity | Specificity | PPV | NPV | Accuracy | |
|---|---|---|---|---|---|---|
(HU) | (%) | (%) | (%) | (%) | (%) | |
Lymph node NC-CT | ||||||
Mean HU | 16 | 83.7 | 64.6 | 58.6 | 86.9 | 71.8 |
Maximum | 54 | 79.6 | 80.5 | 70.9 | 86.8 | 80.2 |
Lymph node CE-CT | ||||||
Mean HU | 60 | 85.7 | 58.5 | 55.3 | 87.3 | 68.7 |
Maximum HU | 103 | 83.7 | 72 | 64.1 | 88.1 | 76.3 |