Sex and ethnic/racial-specific risk factors for gallbladder disease

Table 1 Characteristics of study participants in the Multiethnic Cohort

	Total N = 144,409		GBD cases N = 13,437
	N	%	N	%
Age at GBD occurrence, years
Mean (range)			73.5 (45.3–94.8)
Age at cohort entry, years
< 50	19,307	13.4	758	5.6
50–54	22,658	15.7	1483	11.0
55–59	25,808	17.9	2542	18.9
60–64	26,559	18.4	2992	22.3
65–69	25,739	17.8	3053	22.7
≥ 70	24,338	16.9	2609	19.4
Gender
Men	64,901	44.9	5658	42.1
Women	79,508	55.1	7779	57.9
Race/ethnicity
White	32,103	22.2	2600	19.4
African American	30,209	20.9	2469	18.4
Native Hawaiian	6942	4.8	511	3.8
Japanese American	35,987	24.9	3133	23.3
Latino – US born	20,405	14.1	2398	17.9
Latino – Mexico/South America born	18,763	13.0	2326	17.3
Area
Hawaii	51,579	35.7	4100	30.5
California	92,830	64.3	9337	69.5
Type
Gallstones only			5395	40.2
Cholecystitis only			927	6.9
Cholecystectomy only			123	0.9
Gallstones and Cholecystitis			507	3.8
Gallstones and Cholecystectomy			3882	28.9
Cholecystitis and Cholecystectomy			505	3.8
Gallstones, Cholecystitis, and Cholecystectomy			2098	15.6
Year of diagnosis^a, ^b
1993–1997			1352	10.1
1998–2002			3362	25.0
2003–2007			4243	31.6
2008–2012			4480	33.3

^aGallbladder disease included gallstone (574.XX), cholecystitis (575.XX), and cholecystectomy (procedure codes 51.2X and CPT codes 47,480, 47,490, 47,562 47,563, 47,564, 47,600, 47,605, 47,610, 47,612, 47,620, 56,340, 56,341, 56,342), whichever came first
^bCases diagnosed before 1999 were identified from CHDD; between 1999 and 2012 were from both CHDD and Medicare