Table 2 Baseline patient and tumor characteristics
|  | 22-gauge FNA (n = 38) | 25-gauge FNB (n = 38) | P value |
|---|---|---|---|
Sex (male/female) | 17/21 | 18/20 | 0.818 |
Age (years) | 61.8 ± 11.4 | 63.0 ± 12.6 | 0.669 |
Size of mass on EUS (mm) | 34.1 ± 12.6 | 33.8 ± 16.3 | 0.931 |
Tumor location, no. (%) | Â | Â | 0.359 |
 Head/uncinate | 21 (55.3) | 17 (44.7) |  |
 Body/tail | 17 (44.7) | 21 (55.3) |  |
Final diagnosis, no. (%) | Â | Â | 0.187 |
 Adenocarcinoma | 33 (86.8) | 29 (76.3) |  |
 Metastasis | 0 (0) | 2 (5.3) |  |
 Neuroendocrine tumor | 3 (7.9) | 1 (2.6) |  |
 Pseudopapillary tumor | 1 (2.6) | 1 (2.6) |  |
 Chronic pancreatitis | 1 (2.6) | 5 (13.2) |  |