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Table 2 Comparison of patient characteristics in the National Inpatient Sample, Get With The Guidelines-Stroke, Greater Cincinnati/Northern Kentucky Stroke Study, and Reasons for Geographic and Racial Differences in Stroke Study

From: National surveillance of stroke quality of care and outcomes by applying post-stratification survey weights on the Get With The Guidelines-Stroke patient registry

 

NIS

GWTG-UW

GWTG-RW

GWTG-BW

GCNKSS (2010)28

REGARDS (2003–2007)29

Patient Characteristics

 Age, Mean (SD)

70.6 (14.1)

70.5 (14.6)

70.5 (20.0)

70.3 (20.1)

69.0 (15.3)

73 (9)

 Female (%)

51.4

50.8

50.8

50.5

55.6

52.5

Race

 Black (%)

15.7

17.1

15.7

15.4

20.3

43.7

Medical History

 Atrial Fibrillation

24.8

18.7

23.1

23.1

22

7.7

 CAD/MI (%)

27.3

24.7

24.9

24.8

31.1

40.6

 Heart Failure (%)

14.4

9.3

9.1

9.2

17.2

N/A

 Hypertension (%)

82.8

76.4

76.5

76.2

79.0

89.1

 Diabetes Mellitus

39.9

34.0

34.6

34.3

33

37.2

 Smoker (%)

31.2

18.6

18.9

19.0

28.3

21.3

 Prior TIA (%)

N/A

31.0

31.3

30.9

13.4

N/A

Vital Measurements

 SBP mmHg, Mean (SD)

N/A

157.0 (30.1)

157.5 (41.7)

157.4 (41.7)

158.3 (31.1)

N/A

Arrival Information

 Baseline NIHSS, Median (IQR)

N/A

4 (1–9)

4 (1–9)

4 (1–9)

3 (1–6)

N/A

  1. NIS National Inpatient Sample, GWTG Get With The Guidelines, UW unweighted, RW Raking weighted, BW Bayesian weighted, GCNKSS Greater Cincinnati/Northern Kentucky Stroke Study