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Table 1 Comparisons in demographic characteristics and baseline comobidities between cohort of patients with heart disease and cohort without heart disease diagnosed in 2000-2001

From: The risk for chronic kidney disease in patients with heart diseases: a 7-year follow-up in a cohort study in Taiwan

Variables

Heart Disease

   

No

Yes†

Total

 

N = 52010

N = 26005

N = 78015

 

n

(%)

n

(%)

n

(%)

p-value

Sex

      

<0.0001

Female

24733

(47.6)

13829

(53.2)

38562

(49.4)

 

Male

27277

(52.4)

12176

(46.8)

39453

(50.6)

 

Age, years

      

1.00

< 40

11352

(21.8)

5676

(21.8)

17028

(21.8)

 

40-49

10438

(20.1)

5219

(20.1)

15657

(20.1)

 

50-59

10584

(20.4)

5292

(20.4)

15876

(20.4)

 

≥ 60

19636

(37.8)

9818

(37.8)

29454

(37.8)

 

Occupation

      

0.26

White collar

20386

(39.2)

10050

(38.7)

30436

(39.0)

 

Blue collar

20785

(40.0)

10434

(40.1)

31219

(40.0)

 

Others

10839

(20.8)

5521

(21.2)

16360

(21.0)

 

Urbanization†

      

0.63

Low

7889

(15.2)

3954

(15.2)

11843

(15.2)

 

Moderate

10167

(19.6)

5154

(19.8)

15321

(19.6)

 

High

33954

(65.3)

16896

(65.0)

50850

(65.2)

 

Region†

      

<0.0001

North

23081

(44.4)

11334

(43.6)

34415

(44.1)

 

Central

9988

(19.2)

5641

(21.7)

15629

(20.0)

 

South

14231

(27.4)

6691

(25.7)

20922

(26.8)

 

East and Island

4710

(9.1)

2338

(9.0)

7048

(9.0)

 

Monthly income (NTD)

      

<0.0001

<15,000

23332

(44.9)

11748

(45.2)

35080

(45.0)

 

15,000-29,999

20072

(38.6)

10362

(39.9)

30434

(39.0)

 

≥30,000

8606

(16.6)

3895

(15.0)

12501

(16.0)

 

DM‡

      

<0.0001

No

48951

(94.1)

21392

(82.3)

70343

(90.2)

 

Yes

3059

(5.9)

4613

(17.7)

7672

(9.8)

 

Hypertension‡

      

<0.0001

No

45261

(87.0)

12628

(48.6)

57889

(74.2)

 

Yes

6749

(13.0)

13377

(51.4)

20126

(25.8)

 

Hyperlipidemia‡

      

<0.0001

No

47433

(91.2)

18901

(72.7)

66334

(85.0)

 

Yes

4577

(8.8)

7104

(27.3)

27.3

(15.0)

 
  1. Heart Disease: ICD-9 coden (A-code): rheumatic 391, 393–398 (A251), hypertensive 402, ischemic 410–414 (A270, A279), else 420–429 (A281) and times ≥ 2.
  2. Urbanization: low = 1st and 2nd quartile of density of population, moderate = 3rd quartile of density of population, high = 4th quartile of density of population.
  3. Chronic Kidney Disease (CKD): ICD-9 coden: 585 and times ≥ 2 between 2001 and 2007.
  4. Diabetes Mellitus (DM): ICD-9 coden (A-code): 250 (A181) and times ≥ 3.
  5. Hypertension: ICD-9 coden (A-code): 401–405 (A260, A269) and times ≥ 3.
  6. Hyperlipidemia: ICD-9 coden (A-code): 272 (A182) and times ≥ 3.
  7. †1 observation of Heart Disease patients is missing.
  8. ‡The dates of diagnosis of DM, Hypertension, and Hyperlipidemia were before December 31, 2001.
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BMC Nephrology

ISSN: 1471-2369

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