Table III.
Diagnostic performance of computed tomography-guided core needle biopsy
| Parameter | Low-dose group (n = 70) | Standard-dose group (n = 65) | P-value |
|---|---|---|---|
| Biopsy pathological diagnosis, n: | 0.748 | ||
| Malignancy | 45 | 40 | |
| Suspected malignancy | 0 | 1 | |
| Specific benign | 5 | 4 | |
| Non-specific benign | 20 | 20 | |
| Final diagnosis, n: | 0.808 | ||
| Malignancy | 46 | 44 | |
| Benign | 24 | 21 | |
| Diagnostic performance, n (%): | |||
| Diagnostic yield | 50/70 (71.4%) | 44/65 (67.7%) | 0.637 |
| Sensitivity | 45/46 (97.8%) | 41/44 (93.2%) | 0.625 |
| Specificity | 24/24 (100%) | 21/21 (100%) | – |
| Overall accuracy | 69/70 (98.6%) | 62/65 (95.4%) | 0.560 |