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Table 3 Baseline demographics and comorbidities of RECON and NRD patients after applying IPTW

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

Characteristic Valve 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) 66.16 13.46 65.68 13.15 0.04 64.87 10.27 64.97 10.04 0.01
Female, n (%) 15,984 37.81 148 38.22 0.01 13,557 23.63 207 23.50 0.00
Prior cerebrovascular accident, n (%) 2577 6.10 21 5.54 0.02 3421 5.96 49 5.58 0.02
Congestive heart failurea, n (%) 16,957 40.12 160 41.48 0.03 12,705 22.15 183 20.71 0.04
Chronic obstructive pulmonary disease, n (%) 5237 12.39 46 11.81 0.02 8585 14.97 136 15.45 0.01
Diabetes mellitus, n (%) 10,996 26.01 88 22.67 0.08 26,161 45.61 394 44.61 0.02
Prior myocardial infarctiona, n (%) 2661 6.30 28 7.26 0.04 9359 16.31 148 16.74 0.01
Chronic renal failurea, n (%) 7016 16.60 53 13.77 0.08 9279 16.18 143 16.20 0.00
Hypertension, n (%) 29,900 70.74 280 72.40 0.04 47,650 83.07 738 83.62 0.01
Hypercholesterolemiaa, n (%) 23,026 54.47 212 54.97 0.01 43,844 76.43 711 80.54 0.10
Smoking, n (%) 10,260 24.27 87 22.45 0.04 14,803 25.81 213 24.13 0.04
Prior percutaneous coronary interventiona, n (%) 3228 7.64 25 6.42 0.05 10,036 17.49 199 22.56 0.13
  1. SD standard deviation
  2. aAbsolute value of the standardized difference > 0.1 is considered a large imbalance