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Table 2 Peri- and postoperative data

From: Impact of age on early outcome after coronary bypass graft surgery using minimized versus conventional extracorporeal circulation

Variable CECC (n = 1,137) [group A] MECC (n = 1,137) [group B] p-value
No of grafts [n] 3 (2; 3) Range (1 – 6) 3 (2; 4) Range (1 – 6) 0.004
Use of LIMA [n; %] 1061 (86) 1150 (93) < 0.001
Bypass time [min] 93 (75; 116) 78 (60; 97) < 0.001
Aortic cross clamp time [min] 53 (44; 66) 47 (35; 60) < 0.001
Drainage-loss [mL] 550 (350; 800) 550 (370; 850) 0.33
Resternotomy [n; %] 67 (5.4) 69 (5.6) 0.93
Mechanical ventilation [hours] 12 (9; 16) 11 (8; 15) 0.34
Serum creatinine postoperative [mL × min−1 × 1,73 m−2] 1 (0.9; 1.3) 0.9 (0.8; 1.2) < 0.001
Serum creatinine at discharge [mL × min−1 × 1,73 m−2] 1.1 (0.9; 1.4) 1 (0.9; 1.3) < 0.001
Postoperative dialysis [n; %] 49 (4.0) 27 (2.2) 0.01
 < 59 (group 1) 6 (2.5) 2 (0.8) 0.29
 60 – 69 (group 2) 17 (3.9) 8 (1.8) 0.10
 70 – 79 (group 3) 20 (4.1) 12 (2.5) 0.21
 > 80 (group 4) 6 (8.3) 5 (6.9) 1.0
Low cardiac output syndrome [n; %] 37 (3) 15 (1.2) 0.003
Central neurologic event [n; %] 26 (2.1) 16 (1.3) 0.16
Respiratory insufficiency [n; %] 122 (9.9) 82 (6.6) 0.004
Reintubation [n; %] 36 (2.9) 30 (2.4) 0.53
Pneumonia [n; %] 64 (5.2) 42 (3.4) 0.04
ICU-stay [days] 1 (1; 3) 1 (1; 2) < 0.001
Hospitalization [days] 11 (9; 14) 11 (9; 13) 0.22
In-hospital mortality [n; %] 51 (4.1) 21 (1.7) < 0.001
30-day mortality [n; %] 56 (4.5) 27 (2.2) 0.002
 ≤ 59 (group 1) 8 (3.3) 2 (0.8) 0.11
 60 – 69 (group 2) 22 (4.5) 8 (1.8) 0.03
 70 – 79 (group 3) 20 (4.1) 13 (2.6) 0.29
 ≥ 80 (group 4) 8 (11.1) 4 (5.6) 0.37