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

From: Is preoperative MRCP necessary for patients with gallstones? An analysis of the factors related to missed diagnosis of choledocholithiasis by preoperative 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*
  1. *P < 0.05 indicates statistically significant correlation between the indicator and the primary variable