Table 1 Cumulative accuracy of open biopsy compared to core needle biopsy (CNB) in bone and soft tissue tumours based on the final diagnosis
Percutaneous CNB (n = 46) | Open biopsy (n = 31) | |
|---|---|---|
Sensitivity | 88.8% (P = 0.28) | 96.9% |
Specificity | 100% | 100% |
Positive predictive value | 100% | 100% |
Negative predictive value | 83.3% (P = 0.55) | 94.1% |
Diagnostic accuracy | 92.9% (P = 0.55) | 98.0% |
Specific diagnosis | 84.2% (P = 0.34) | 93.9% |