TABLE 1.

Patient demographic and pancreatic mass characteristics

	Type of needle
Characteristic	FNA (n = 28)	FNB (n = 28)	P value
Age, mean (SD), y	65.4 (11.1)	65.0 (15.4)	.898*
Median	68	65
IQR	57-74	58-77
Range	40-82	18-87
Sex, no. (%)
Male	16 (57.1)	15 (53.6)	.788†
Female	12 (42.9)	13 (46.4)
Prior EUS performed, no. (%)	0	3 (10.7)	.236‡
Size of mass on EUS, mm
Mean (SD)	33.7 (7.2)	32.5 (9.0)
Median	35	30	.625§
IQR	25-40	30-40
Range	20-45	10-50
Tumor location, no. (%)
Head/uncinate	20 (71.4)	20 (71.4)	1.000†
Body/tail	8 (28.6)	8 (28.6)
Final diagnosis, no. (%)
Pancreatic tumor	25 (89.3)	25 (89.3)	1.000‡
Other	3 (10.7)	3 (10.7)

FNB, Fine-needle biopsy; SD, standard deviation; IQR, interquartile range.

^*Two sample t test.

^†Chi-square test.

^‡Fisher exact test.

^§Wilcoxon rank sum (Wilcoxon-Mann-Whitney) test.