Table 5. Imaging parameters and their association with gangrenous cholecystitis as an outcome.

p < 0.05 considered statistically significant

Imaging parameters		Gangrenous cholecystitis		χ2 (p-value)
		Yes (n=27), N (%)	No (n=313), N (%)
GB wall symmetry	Asymmetrical	27 (100)	0 (0)	301.34 (< 0.001)
	Diffuse thickness	0 (0)	26 (8.3)
	Symmetrical	0 (0)	287 (91.7)
Intraluminal membrane	Absent	04 (14.8)	313 (100)	270.53 (< .001)
	Present	23 (85.2)	0 (0)
Pericholecystic collection	Absent	04 (14.8)	201 (64.2)	25.34 (< .001)
	Present	23 (85.2)	112 (35.8)
GB calculus	No	18 (66.7)	26 (8.3)	75.14 (< .001)
	Yes	9 (33.3)	287 (91.7)