Table 3. Association between gangrenous cholecystitis and type of investigation.

CECT - contrast-enhanced computed tomography, MRCP - magnetic resonance cholangiopancreatography

p < 0.05 considered statistically significant

Type of investigation	Gangrenous cholecystitis (n=340)		χ2 (p-value)
	Yes (n=27), N (%)	No (n=313), N (%)
CECT
Yes	20 (74.1)	45 (14.4)	57.3 (p < 0.001)
No	07 (25.9)	268 (85.6)
MRCP
Yes	08 (29.6)	50 (16)	3.3 (p = 0.070)
No	19 (70.4)	263 (84)