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Table 1 Characteristics of patients, oxygenation and surgical data

From: Effects of 60 minutes of hyperoxia followed by normoxia before coronary artery bypass grafting on the inflammatory response profile and myocardial injury

Variable Controls Hyperoxia pretreated p-value
  (n = 19) (n = 20)  
Age (years) 65 (8) 66 (11) 0.89
Gender (male/female) 15/5 14/5 0.67
Preoperative medications    
 Ca-channel blockers, n (%) 6 (31.5) 1 (5) 0.01
 Nitrates, n (%) 12 (63) 8 (40) 0.13
 β-blockers, n (%) 17 (89) 14 (70) 0.13
 ACE-inhibitors, n (%) 14 (74) 10 (50) 0.11
 Statins, n (%) 15 (79) 11 (55) 0.27
Preoperative ejection fraction (%) 58 (11) 53 (11) 0.16
paO2 10 min after intubation (mmHg) 130 (49) 402 (68) <0.001
paO2 60 min after intubation (mmHg) 108 (27) 369 (75) <0.001
Cross-clamping time (min) 47 (33) 46 (30) 0.89
Duration of cardiopulmonary bypass (min) 68 (36) 63 (27) 0.66
Number of vessels bypassed 3.3 (0.8) 3.5 (0.8) 0.50
Need for inotropic support, n (%) 7 (37) 6 (30) 0.80
  1. Values are provided as incidence (%) or mean (SD).