Early tracheostomy (4-10 days) Intermediate tracheostomy (11-20 days) Late tracheostomy (≤21 days)
p
N 147 194 65
Age 66±12 69±12 67±15 0.177
Male 101 (68.7%) 110 (56.7%) 33 (50.8%) 0.020
Elective 58 (39.5%) 79 (40.7%) 27 (41.5%) 0.952
FC III 53 (43.8%) 67 (41.4%) 23 (39.7%) 0.853
FC IV 26 (21.5%) 27 (16.7%) 10 (17.2%)
NYHA III-IV 79 (65.3%) 94 (58.1%) 33 (56.9%) 0.389
Previous MI 22 (15.0%) 46 (23.7%) 19 (29.2%) 0.037
PVD 25 (17.9%) 31 (17.2%) 13 (20.6%) 0.830
Hypertension 99 (70.7%) 126 (67.0%) 43 (67.2%) 0.758
Diabetes 57 (39.9%) 77 (41.0%) 29 (44.6%) 0.809
Hypercholesterolemia 84 (59.2%) 108 (57.1%) 37 (56.9%) 0.923
COPD 28 (19.6%) 18 (9.6%) 10 (15.4%) 0.033
Smoking 36 (26.1%) 29 (15.7%) 11 (17.5%) 0.059
Previous CVA 21 (15.6%) 30 (16.8%) 12 (18.8%) 0.852
Obesity 61 (41.8%) 63 (33.0%) 22 (34.4%) 0.234
Dialysis 1 (1.0%) 10 (7.2%) 2 (4.5%) 0.087
Arrhythmia 96 (85.7%) 103 (79.8%) 30 (83.3%) 0.483
Previous operation 37 (25.2%) 58 (29.9%) 17 (26.2%) 0.602
Pulmonary pressure (mm Hg)* 50.0 (33.0-60.0) 45.0 (30.0-60.0) 50.0 (30.0-60.0) 0.919
EF (%)* 54 (42.5%) 91 (51.4%) 25 (43.9%) 0.268
Standard EuroSCORE I* 9.0 (7.0-12.0) 10.0 (7.0-12.0) 9.0 (7.0-11.0) 0.774
Logistic EuroSCORE I* 18.3 (7.7-32.3) 16.6 (8.9-31.7) 14.9 (8.1-27.2) 0.879
Bypass time (min)* 134.5 (93.3-176.3) 134.0 (94.0-187.0) 108.0 (81.8-171.8) 0.496
Cross-clamp time (min)* 85.0 (60.3-129.3) 90.0(64.5-121.5) 71.5(55.0-98.3) 0.237
Isolated CABG surgery 20 (13.6%) 18 (9.3%) 11 (16.9%) 0.207
Isolated valve surgery 16 (10.9%) 31 (16%) 10 (15.3%) 0.569
Combined surgery 111 (75.5%) 145 (74.7%) 44 (67.7%) 0.457