Table 1.

Demographic and histopathological data

Histopathology	Number (%)	Gender	Mean age ± SEb	p-value
Chronic cholecystitis	5628 (97.4)	F 4053 M 1575	54.7 ± 0.22	NSc
Xanthomatous cholecystitis	71 (1.2)	F 38 M 33	56.6 ± 1.7	NSc
Dysplasia	38 (0.6)
Low grade	36	F 31	55.3 ± 2.7	NSc
High grade	2	M 7
Normal	18 (0.31)	F 14 M 4	45.9 ± 2.95	NSc
Acute cholecystitis	16 (0.27)	F 9 M 7	68.4 ± 2.92	NSc
Carcinoma (IGCa)	6 (0.1)	F 5 M 1	73.7 ± 5.38	< 0.05d
Hyalinizing cholecystitis	1	F	56	–
Lymphoma	1	F	63	–

^aIncidental gallbladder cancer

^bStandard error

^cNot significant

^dAnalysis of variance (ANOVA) test