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Table 1 Patient characteristics pre-matching

From: The prevalence and burden of systemic lupus erythematosus in a medicare population: retrospective analysis of medicare claims

 

Medicare disabled age <65 years

Medicare age ≥65 years

Characteristics

SLE cohort

Non-SLE cohort

SLE cohort

Non-SLE cohort

N = 5,555

N = 455,950

N = 7,793

N = 2,250,012

Mean age, years

49

50

74

74

Female, %

87*

46*

83**

57**

Race, %

    

White

62.6*

73.3*

84.3

85.5

Black

28.3*

18.4*

10.1

8.2

Other

9.2

8.3

4.4

6.3

Region, %

    

Northeast

15.9*

18.4*

19.2

19.9

Midwest

18.9*

21.4*

19.7**

23.0**

South

46.3*

39.9*

42.3**

35.0**

West

16.8*

17.6*

17.7**

20.1**

Other

2.1

2.8

1.2

2.1

  1. *P < 0.05 between Medicare Disabled age <65 cohorts.
  2. **P < 0.05 between Medicare age ≥65 cohorts.