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Table 1 Characteristics of REGARDS participants

From: Assembling and validating a heart failure-free cohort from the Reasons for Geographic and Racial Differences in Stroke (REGARDS) study

A. Among eligible REGARDS participants

 

Eligible REGARDS Participants

HF-Free Cohort

Suspected HF

Number

28,884

25,759

3125

Age, mean (SD)

64.9 (9.4)

64.5 (9.3)

68.4 (9.3)

Female Sex

15,875 (55.0%)

14,161 (55.0%)

1714 (54.9%)

African American

11,823 (40.9%)

10,295 (40.0%)

1528 (48.9%)

BMI, mean (SD)

29.3 (6.2)

28.9 (5.9)

32.3 (7.4)

Coronary artery diseasea

5040 (17.6%)

3711 (14.5%)

1329 (43.2%)

Myocardial infarctiona

3571 (12.5%)

2605 (10.2%)

966 (31.5%)

Atrial fibrillation

2540 (8.8%)

1894 (7.4%)

646 (20.7%)

Strokea

1813 (6.3%)

1374 (5.4%)

439 (14.1%)

Diabetesa

6078 (21.8%)

4684 (18.9%)

1394 (46.3%)

ACR ≥ 30a

4154 (15.1%)

3318 (13.5%)

836 (28.6%)

eGFR < 60a

3139 (11.3%)

2277 (9.2%)

862 (29.4%)

Hypertension

17,101 (59.2%)

14,704 (57.1%)

2397 (76.7%)

Dyslipidemiaa

16,495 (59.3%)

14,358 (57.8%)

2137 (71.3%)

Chronic lung disease

2656 (9.2%)

2159 (8.4%)

497 (15.9%)

B. Among Medicare based Validation Cohort

 

Validation Cohort

HF-Free Cohort

Suspected HF

Number

10,059

8492

1567

Age, mean (SD)

71.4 (7.3)

71.3 (7.2)

71.6 (8.1)

Female Sex

5160 (51.3%)

4355 (51.3%)

805 (51.4%)

African American

3519 (35.0%)

2842 (33.5%)

677 (43.2%)

BMI, mean (SD)

28.7 (5.9)

28.2 (5.5)

31.4 (7.0)

Coronary artery disease

2517 (25.0%)

1764 (20.8%)

753 (48.1%)

Myocardial infarction

1693 (16.8%)

1169 (13.8%)

524 (33.4%)

Atrial fibrillation

1144 (11.4%)

792 (9.3%)

352 (22.5%)

Stroke

904 (9.0%)

658 (7.7%)

246 (15.7%)

Diabetes

2407 (23.9%)

1713 (20.2%)

694 (44.3%)

ACR ≥ 30

1767 (17.6%)

1327 (15.6%)

440 (28.1%)

eGFR < 60

2213 (22%)

1628 (19.2%)

585 (37.3%)

Hypertension

6652 (66.1%)

5458 (64.3%)

1194 (76.2%)

Dyslipidemia

6147 (61.1%)

5069 (59.7%)

1078 (68.8%)

Chronic lung disease

1100 (10.9%)

834 (9.8%)

266 (17.0%)

  1. aPercentages were determined after excluding participants with missing data for the given variable
  2. Abbreviations
  3. ACR Albumin-to-creatinine ratio
  4. BMI Body mass index
  5. eGFR Estimated glomerular filtration rate
  6. HF Heart failure
  7. REGARDS REasons for Geographic And Racial Differences in Stroke
  8. SD Standard deviation