A Comparison of Endoscopic Ultrasound-Guided Fine-Needle Aspiration and Fine-Needle Biopsy in the Diagnosis of Solid Pancreatic Lesions

Table 4

Diagnostic performance: classification 2.

	FNA	FNB
Sensitivity	0.94 (0.83, 0.99)	0.97 (0.87, 1.00)	0.626
Specificity	1.00 (0.09, 1.00)	1.00 (0.28, 1.00)	1.000
PPV	1.00 (0.89, 1.00)	1.00 (0.87, 1.00)	1.000
NPV	0.40 (0.05, 0.85)	0.80 (0.28, 0.99)	0.524
Accuracy	0.94 (0.84, 0.99)	0.98 (0.88, 1.00)	0.623

Values in brackets are 95% confidence interval. value is based on Fisher’s exact test; FNA = fine needle aspiration; FNB = fine needle biopsy