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Table 1 Baseline characteristics of patients cohort

From: Fibrosis independent atrial fibrillation in older patients is driven by substrate leukocyte infiltration: diagnostic and prognostic implications to patients undergoing cardiac surgery

Parameters SR (n = 9) AF (n = 9) Patients (n = 18) P-value
Age 62 ± 3.3 67 ± 3.0 64.1 (44–84) 0.229
Female gender 22 22 22% 1.000
Diabetes 11 11 11% 1.000
EF 59 ± 4.9 44 ± 7.2 51.3 (16–78) 0.114
EF > 50% 8 5 44% 0.200
BMI 27.6 ± 1.9 31.7 ± 3.2 29.6 (20–53.7) 0.292
NYHA III 1 5 66% 0.049*
Urgency
 In-hospital 4 5 50% 0.637
 Elective 5 4 50%
Procedure type
 CABG 4 4 8/18 0.940
 CABG + valve 1 1 2/18
 Aortic valve 3 1 4/18
 Aortic + mitral valve 1 1 2/18
 LVAD 1 1 2/18
Clinical frailty
 CFS class 4/5 3 6 50% 0.157
Echocardiogram
 LV diast diameter 5.1 ± 0.6 5.7 ± 1.1 5.5 (4.0–7.3) 0.422
 LV syst diameter 3.5 ± 0.9 4.3 ± 1.9 4.0 (2.4–6.9) 0.623
 LA diameter 4.2 ± 0.8 11.1 ± 16.7 4.5 (2.8–4.9) 0.295
 E/A ratio 1.4 ± 1.2 0.9 ± 0.1 1.2 (0.5–3.7) 0.845
CPB
 Pump time 120 ± 38.3 107.5 ± 33.1 114.1 (65–187) 0.689
LOS (days) 9 ± 1.9 17 ± 3.1 12.8 (5–27) 0.026*
Adverse events
 Delirium 2 3 5/18 0.598
 Stroke/TIA 0 1 1/18 1.000
 CHF 2 5 7/18 0.050*
  1. EF ejection fraction, CABG coronary artery bypass graft, BMI body mass index, CPB cardiopulmonary bypass)
  2. *Statistically significant