Table 2.

Operating characteristics of EUS FNB for solid pancreatic lesions.

	Reapeat EUS FNB n = 34	Single EUS FNB n = 68	p Value
Sensitivity	75%	57%	0.554
Specificity	81%	92%	0.119
Positive predictive value	96%	95%	0.804
Negative predictive value	33%	44%	0.629
Diagnostic accuracy	80%	88%	0.824
Sample adequacy	91%	94%	0.783

EUS: Endoscopic Ultrasound. FNB: Fine Needle Biopsy.