Table 2.
EUS sampling outcomes
| FNA group (n = 50) | FNB group (n = 50) | p | |
|---|---|---|---|
| Number of needle passes, median (range) | 3 (2–5) | 2 (2–3) | NS |
| Contributive pancreatic tissue sample, n (%) | 45 (90) | 50 (100) | 0.02 |
| Sensitivity for malignancy, %a | 88.4% (38/43) | 97.8% (44/45) | NS |
| Specificity for malignancy, % | 100% (7/7) | 100% (5/5) | NS |
a
Includes samplings from the extra-pancreatic sites (lymph nodes and liver metastases).
EUS: endoscopic ultrasound; FNA: fine needle aspiration; FNB: fine needle biopsy; NS: not significant