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Table 1 Patient characteristics (n = 4408)

From: Comparison between three different equations for the estimation of glomerular filtration rate in predicting mortality after coronary artery bypass

Baseline Characteristics

 Age

70.7 [64.5–76.2]

 Female sex

902 (20.5)

 BSA

1.85 ± 0.17

 BMI

26.2 ± 3.8

 Diabetes

793 (17.9)

 COPD

154 (3.5)

 PVD

525 (11.9)

 CVD

26 (0.6)

 MI < 30 days

873 (19.8)

 Unstable Angina

1494 (33.9)

  ≥ 3 vessels disease

2579 (58.5)

 LVEF

48.5 [42.1–57.6]

 Creatinine (mg/dL)

1.09 [0.91–1.31]

 EuroScore

8.9 [4.5–12.2]

 STS Score

9.9 [4.8–13.1]

 STS PROM

9.2 [4.2–12.8]

 eGFRMDRD

   ≥ 60

2494 (56.6)

  45–59

1200 (27.2)

  30–44

638 (14.5)

   ≤ 29

76 (1.7)

 eGFRCKD-EPI

   ≥ 60

2597 (58.9)

  45–59

1097 (24.9)

  30–44

633 (14.4)

   ≤ 29

81 (1.8)

 CCG

   ≥ 60

2440 (55.4)

  45–59

1170 (26.5)

  30–44

703 (15.9)

   ≤ 29

95 (2.2)

Operative Characteristics

 1 graft

264 (6.0)

 2 grafts

1943 (44.1)

  ≥ 3 grafts

2201 (49.9)

 OPCAB

1983 (44.9)

  1. Data are shown as mean ± SD or numbers (percentage) or median [Interquartile range]. Abbreviations. BSA: Body Surface Area; BMI: Body Mass Index; COPD: Chronic Obstructive Pulmonary Disease; PVD: Peripheral Vascular Disease; CVD: Cerebrovascular Disease; MI: Myocardial Infarction; LVEF: Left Ventricular Ejection Fraction; STS: Society of Thoracic Surgeons; PROM: Predicted risk of mortality; eGFRMDRD: Glomerular Filtration Rate estimated by the Modification in Diet in Renal Disease; eGFRCKD-EPI: (ml/min/1.73 m2) Glomerular Filtration Rate estimated by Chronic Kidney Disease-Epidemiology Collaboration equation (ml/min/1.73 m2); CCG: Creatinine Clearance estimated by Cockroft-Gault formula (ml/min/1.73 m2); OPCAB: Off-Pump Coronary Artery Bypass