Is preoperative MRCP necessary for patients with gallstones? An analysis of the factors related to missed diagnosis of choledocholithiasis by preoperative ultrasound

Table 4 Correlation analysis for the primary variable (missed diagnosis of choledocholithiasis by ultrasound)

	Alanine aminotransferase	Acute cholecystitis	CBD diameter
Primary variable (missed diagnosis of choledocholithiasis by ultrasound)	0.277	0.360	−0.624
P value	0.038*	0.001*	0.000*

*P < 0.05 indicates statistically significant correlation between the indicator and the primary variable

ISSN: 1471-230X