Prospective randomized study comparing Franseen 22-gauge vs standard 22-gauge needle for endoscopic ultrasound guided sampling of pancreatic solid lesions

Table 4 Performance of Franseen needle for the diagnosis of pancreatic malignancy

Diagnostic method	Disease
	Pancreatic malignancy1 (n = 47)	Chronic pancreatis (n = 3)	Total
Positive for malignancy	43	1	44
Negative for malignancy	4	2	6
Total	47	3	50
95%CI
Sensitivity		0.91 (0.83-0.98)
Specificity		0.67 (0.09-0.98)
PPV		0.98 (0.88-1.00)
NPV		0.33 (0.04-0.78)
Accuracy		0.90 (0.78-0.97)

¹Pancreatic malignancy included adenocarcinoma, neuroendocrine tumor, metastasis, lymphoma, plasmocitoma, Frantz tumor.

CI: Confidence interval; PPV: Positive predictive value; NPV: Negative predictive value.