Characteristics | Group 1 without pneumonia (n = 30) | Group 2 with pneumonia (n = 3) | P |
---|---|---|---|
Age, years | 67 (59, 72) | 79 (78, 84) | 0.006a |
Gender, m/f | 22 (73%)/8 (27%) | 2 (66%)/1 (33%) | 0.88 |
Smoker, % | 3 (10%) | 0 (0%) | 0.49 |
BMI, kg m-2 | 27.5 (25.5, 29.7) | 26.9 (22.5, 28.03) | 0.45 |
LVEF, % | 55 (50, 60) | 55 (50, 66) | 0.75 |
Arterial hypertension, n/y | 2/31 | 0/3 | 0.88 |
COPD, n/y | 31/2 | 3/0 | 0.88 |
Renal insufficiency, % | 2 (6.7%) | 1 (33%) | 0.49 |
Diabetes mellitus, % | 6 (20%) | 1 (33%) | 0.75 |
Duration of anesthesia, minutes | 270 (234, 318) | 360 (330, 360) | 0.019a |
Duration of surgery, minutes | 213 (173, 244) | 275 (275, 320) | 0.025a |
CPB-time, minutes | 73 (54, 99) | 125 (101, 142) | 0.030 a |
Cross clamp time, minutes | 41 (32, 61) | 58 (40, 97) | 0.235 |
Total ventilation time, hours | 13 (11.0, 15) | 24 (22, 25) | 0.015a |
Intraoperative blood transfusion, n/y | 7 (23%) | 3 (100%) | 0.025a |
Postoperativewound infection, % | 4 (13.3%) | 0 (0%) | 0.75 |
Onset of pneumonia, postoperative day | n/a | 5 (4, 5) | 0.10 |
Sepsis, % | 0 (0%) | 2 (67%) | 0.06 |