Role of endoscopic ultrasound during hospitalization for acute pancreatitis

Table 1 Endoscopic ultrasound features in acute edematous pancreatitis

Study	No. of patients	Normal-sized pancreas (%)	Normal echogenicity (%)	Hypoechoic (%)	Hyperechoic (%)	Mixed (%)
Sugiyama et al[5], 1995	16	37.5	25.0	75.0	None	None
Chak et al[10], 1999	36	63.8	None	22.2	11.1	66.6

Table 2 Sensitivity, specificity, positive and negative predictive value of endoscopic ultrasound to detect common bile duct stones in acute pancreatitis

Study	No. of patients	Sensitivity	Specificity	Positive predictive value	Negative predictive value
Sugiyama et al[7], 1998	35	100	100	-	-
Chak et al[10], 1999	36	91	100	100	95
Liu et al[8], 2001	100	97	98	-	-
Stabuc et al[12], 2008	38	96	85	92	92