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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