Table 1.

Characteristics of the 27 patients in the acute cholecystitis and control groups

	Acute cholecystitis	Control	p value
Patients	11	16
Male:female	4:7	12:4	0.061
Age, years	68.0 (64.0,81.0)	67.0 (56.5, 76.0)	1.000
Presence of liver cirrhosis, %	0 (0/11)	0 (0/16)
Presence of fever (>37.5°), %	54.5 (6/11)	37.5 (6/16)	0.452
Presence of abdominal pain, %	81.8 (9/11)	31.3 (5/16)	0.018
White blood cell count, /μL	11010 (8615,13235)	6790 (5325, 8862.5)	0.054
C-reactive protein level, mg/dL	10.43 (3.77, 17.26)	0.56 (0.32, 4.89)	0.054
Total bilirubin level, mg/dL	0.90 (0.65, 1.20)	0.70 (0.50, 1.15)	0.452
AST level, IU/L	23.0 (17.0, 40.5)	40.5 (22.5, 63.3)	0.239
ALT level, IU/L	23.0 (14.5, 33.5)	34.0 (17.0, 53.5)	0.440
Short-axis gallbladder diameter, mm	30.0 (28.0, 35.5)	28.0 (22.0, 33.0)	0.198
Sonographic Murphy sign, positive, %	90.9 (10/11)	12.5 (2/16)	0.000
Gallbladder stones, positive, %	54.5 (6/11)	31.3 (5/16)	0.264
Intensity ratio	3.396 (2.90, 7.82)	1.595 (1.17, 2.50)	0.006

Data are presented as the median with the interquartile range (1st quartile, 3rd quartile)

AST aspartate aminotransferase; ALT alanine aminotransferase