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. (%)			0.359
Head/uncinate	21 (55.3)	17 (44.7)
Body/tail	17 (44.7)	21 (55.3)
Final diagnosis, no. (%)			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)

EUS endoscopic ultrasound, FNA fine needle aspiration, FNB fine needle biopsy

Continuous variables are expressed as the mean ± standard deviation