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Table 1 Demographic and clinical characteristics of the study populations

From: Trends in anemia care in non-dialysis-dependent chronic kidney disease (CKD) patients in the United States (2006–2015)

 

Medicare

Commercial Insurance

Pre-TREAT a

Post-TREAT b

Post- FDA warning c

Pre-TREAT a

Post-TREAT b

Post- FDA warning c

No. unique patients

48,614

64,694

117,452

103,980

127,054

244,191

No. patients in the median month of each period

12,806

29,594

39,310

22,559

50,433

55,218

Male (%)

52.1

49.8

49.4

55.2

55.6

56.3

Age 19–44 (%)

0

0

0

13.3

12.1

11.4

Age 45–64 (%)

1.2

1.0

1.2

85.6

85.1

84.9

Age > =65 (%)

98.8

99.0

98.8

1.1

2.8

3.6

CKD stage 3

43.4

49.0

51.0

70.0

76.5

80.8

CKD stage 4

49.6

45.8

44.2

24.3

19.5

15.9

CKD stage 5

7.0

5.2

4.9

5.7

4

3.4

Diabetes mellitus (%)

43.8

47.7

51.2

43.9

42.6

41.8

Hypertension (%)

52.7

73.2

85.9

62.9

73.1

73.1

Heart Failure (%)

10.1

17.4

21.2

5.2

6.2

6.4

Cerebrovascular disease (%)

14.7

16.9

18.4

5.5

5.5

5.0

Peripheral Artery Disease (%)

8.8

13.5

16.2

4.2

4.9

4.3

Chronic obstructive pulmonary disease (%)

16.3

19.7

23.1

6.8

8.3

8.1

Nephrologist involvement (%)

46.8

45.3

39.0

49.0

48.0

44.8

Charlson Comorbidity Index, mean (SD)

4.2 (1.8)

4.6 (2.0)

4.9 (2.1)

3.7 (1.8)

3.7 (1.8)

3.7 (1.8)

  1. a January 2006 through October 2009; November 2007 cohort was used to summarize demographics and clinical characteristics of CKD patients during the pre-TREAT periods
  2. b November 2009 through June 2011; August 2010 cohort was used to summarize demographics and clinical characteristics of CKD patients during the post-TREAT periods
  3. c July 2011 through September 2015; August 13 cohort was used to summarize demographics and clinical characteristics of CKD patients during the post-FDA warning periods