Skip to main content

Table 1 Characteristics of study participants in the Multiethnic Cohort

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

 

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 diagnosisa, b

 1993–1997

  

1352

10.1

 1998–2002

  

3362

25.0

 2003–2007

  

4243

31.6

 2008–2012

  

4480

33.3

  1. 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
  2. bCases diagnosed before 1999 were identified from CHDD; between 1999 and 2012 were from both CHDD and Medicare