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Table 2 Baseline demographics and comorbidities of RECON and NRD patients

From: Pericardial closure with extracellular matrix scaffold following cardiac surgery associated with a reduction of postoperative complications and 30-day hospital readmissions

Characteristic Valve Repair/Replacement Coronary Artery Bypass Graft Surgery Patients
NRD (n = 42,269) RECON (n = 392) Standardized Differencea NRD (n = 57,364) RECON (n = 866) Standardized Differencea
n or Mean % or SD n or Mean % or SD n or Mean % or SD n or Mean % or SD
Age, mean (SD) 66.20 13.47 62.27 12.87 0.30 64.92 10.26 61.68 10.21 0.32
Female, n (%) 15,995 37.84 137 34.95 0.06 13,584 23.68 178 20.55 0.08
Prior cerebrovascular accident, n (%) 2585 6.12 16 4.08 0.09 3442 6.00 31 3.58 0.11
Congestive heart failure, n (%) 17,013 40.25 101 25.77 0.31 12,814 22.34 83 9.58 0.35
Chronic obstructive pulmonary disease, n (%) 5251 12.42 35 8.93 0.11 8617 15.02 98 11.32 0.11
Diabetes mellitus, n (%) 10,990 26.00 108 27.55 0.04 26,169 45.62 387 44.69 0.02
Prior myocardial infarction, n (%) 2654 6.28 32 8.16 0.07 9323 16.25 177 20.44 0.11
Chronic renal failure, n (%) 7064 16.71 17 4.34 0.41 9380 16.35 39 4.50 0.40
Hypertension, n (%) 29,886 70.70 291 74.23 0.08 47,623 83.02 746 86.14 0.09
Hypercholesterolemia, n (%) 23,102 54.65 137 34.95 0.40 43,950 76.62 555 64.09 0.28
Smoking, n (%) 10,284 24.33 71 18.11 0.15 14,782 25.77 245 28.29 0.06
Prior percutaneous coronary intervention, n (%) 3237 7.66 21 5.36 0.09 10,098 17.60 89 10.28 0.21
  1. SD standard deviation
  2. aAbsolute value of the standardized difference > 0.1 is considered a large imbalance