Table 3

Operating characteristics of EUS-FNA for the diagnosis of malignancy

Lesion (n)		Passes			Predictive value		Accuracy %
Lesion (n)		Mean (SEM)	Sensitivity %		Specificity %	Positive %	Accuracy %	Negative %
Pancreas^5-151 (n=144)	3.6 (0.1)	72 (82)^5-150	100	100	38 (51)^5-150	76 (85)^5-150
Lymph node (n=160)	3.2 (0.1)	85	100	100	70	89
Perirectal mass (n=10)	3.5 (0.5)	88	100	100	67	90
Intramural tumour (n=8)	2.8 (0.4)	50	25	100	33	38
Other^5-152 (n=5)	5.2 (1.2)	40	–	100	–	40
All lesions (n=327)	3.4 (0.1)	78 (84)^5-150	96	100	56 (61)^5-150	82 (86)^5-150

↵5-150 Figure in brackets: value derived if atypia considered diagnostic for malignancy.
↵5-151 Including 10 pseudocysts.
↵5-152 Mediastinal mass (3), abdominal mass (2)—all malignant.