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Table 1 Demographic characteristic of patients undergoing cholecystectomy in Taiwan, 2003–2012

From: Effect of socioeconomic inequalities on cholecystectomy outcomes: a 10-year population-based analysis

Variables

Low-income population (n = 2454)

General population (n = 223,104)

p-value

Total no.

Percent (%)

Total no.

Percent (%)

Gender

  

0.028

 Female

1192

48.57%

113,346

50.80%

 

 Male

1262

51.43%

109,758

49.20%

Age stratum

  

< 0.001

 18–29 y/o

79

3.22%

10,438

4.68%

 

 30–39 y/o

353

14.38%

26,965

12.09%

 40–49 y/o

682

27.79%

37,976

17.02%

 50–59 y/o

428

17.44%

48,679

21.82%

 60–69 y/o

312

12.71%

42,557

19.07%

 70 y/o or more

600

24.45%

56,489

25.32%

CCI score

  

< 0.001

 0

1711

69.72%

155,823

69.84%

 

 1

405

16.50%

28,752

12.89%

 2

185

7.54%

21,703

9.73%

  ≥ 3

153

6.23%

16,826

7.54%

Cause of procedure

  

< 0.001

 AC with a C/S

786

32.03%

63,605

28.51%

 

 AC without a C/S

154

6.28%

9019

4.04%

 Calculus without AC

1216

49.55%

113,825

51.02%

 ODGBT

131

5.34%

13,521

6.06%

 MNDOP

104

4.24%

18,289

8.20%

 Others

63

2.57%

4845

2.17%

Hospital level

  

< 0.001

 Medical center

730

29.75%

105,542

47.31%

 

 Regional hospital

1345

54.81%

99,729

44.70%

 District hospital

379

15.44%

17,833

7.99%

  1. AC with a C/S: Acute cholecystitis with a calculus/stone
  2. AC without a C/S: Acute cholecystitis without a calculus/stone
  3. Calculus without AC: Calculus without acute cholecystitis
  4. ODGBT: Other disorders of the gallbladder or biliary tract
  5. MNDOP: Malignant neoplasm of digestive organs and peritoneum
  6. CCI: Charlson Comorbidity Index