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. Author manuscript; available in PMC: 2019 Nov 27.
Published in final edited form as: Circulation. 2018 Nov 27;138(22):2456–2468. doi: 10.1161/CIRCULATIONAHA.118.036528

Table 1.

Characteristics of patients in the Pre- and Post-Implementation Cohorts

Patient Characteristics Pre
N= 3713 (%)
Post
N= 4761 (%)
p value*
Age –median (IQR) 54 (45, 65) 54 (44, 66) 0.330
Female 1965 (52.9) 2579 (54.1) 0.278
Race 0.038
 White or Caucasian 2484 (66.9) 3106 (65.2)
 Black or African American 1052 (28.3) 1371 (28.8)
 Other 177 (4.8) 284 (6.0)
Ethnicity 0.006
 Hispanic or Latino 134 (3.6) 230 (4.8)
Site <0.001
 WFBMC 2720 (73.3) 3685 (77.4)
 DMC 396 (10.7) 512 (10.8)
 LMC 597 (16.1) 564 (11.8)
Insurance Status 0.054
 Blue Cross 790 (21.3) 970 (20.4)
 MedCost 209 (5.6) 286 (6.0)
 Medicaid 505 (13.6) 687 (14.4)
 Medicare 1189 (32.0) 1617 (34.0)
 Other insurance 321 (8.6) 413 (8.7)
 Self-pay 699 (18.8) 788 (16.5)
EHR ACS flowsheet used 137 (3.7) 1033 (21.7) <0.001
Risk Factors
 Prior CAD 1036 (27.9) 1280 (26.9) 0.297
 Diabetes 1031 (27.8) 1290 (27.1) 0.491
 Hyperlipidemia 1528 (41.2) 1993 (41.9) 0.512
 Hypertension 2406 (64.8) 2986 (62.7) 0.048
 Smoking 2356 (63.5) 2878 (60.5) 0.005
 BMI ≥30 1694 (45.6) 2198 (46.1) 0.302
 Peripheral Vascular Disease 450 (12.1) 635 (13.3) 0.096
 Cerebrovascular Disease 456 (12.2) 594 (12.5) 0.787
Comorbidities
 COPD 1173 (31.6) 1543 (32.4) 0.424
 Cancer 570 (15.4) 746 (15.7) 0.689
 Chronic Kidney Disease 416 (11.2) 576 (12.1) 0.204
*

Chi-squared tests were used for categorical variables and Wilcoxon rank-sum tests were used for continuous variables. IQR= Interquartile range, WFBMC= Wake Forest Baptist Medical Center, DMC= Davie Medical Center, LMC= Lexington Medical Center. CAD= Coronary Artery Disease, BMI= Body Mass Index, COPD = Chronic Obstructive Pulmonary Disease