Table 1 Baseline characteristics using the imputed dataset (not weighted)
From: Hospital infections and health-related quality of life after cardiac surgery: a multicenter survey
All (n = 8577) | NI (n = 8182) | I (n = 395) | p-value | SMD (only for variables in the PS model) | |
|---|---|---|---|---|---|
Demographics | |||||
Baseline PHS | 58 [44–74] | 58 [44–74] | 53 [38–69] | 0.003 | − 0.237 |
Body mass index (kg/m2) | 27 [25–30] | 27 [25–30] | 28 [25–31] | < 0.001 | |
Comorbidities | |||||
CVA (%) | 4.2 | 4.1 | 7.1 | 0.005 | |
Neurological dysfunction (%) | 1.2 | 1.2 | 2.8 | 0.004 | |
Cardiac status | |||||
Unstable AP (%) | 1.5 | 1.5 | 1.8 | 0.663 | 0.021 |
EuroSCORE II | |||||
Age (y) | 69 [63–74] | 69 [63–74] | 71 [66–76] | < 0.001 | 0.266 |
Gender male (%) | 74.9 | 75.1 | 70.9 | 0.059 | 0.095 |
Serum Creat (umol/l) | 86 [75–99] | 86 [75–99] | 90 [77–102] | 0.001 | |
Extra cardiac arteriopathy (%) | 8.1 | 7.7 | 16.3 | 0.000 | 0.264 |
Poor mobility (%) | 3.9 | 3.9 | 3.8 | 0.862 | |
Previous cardiac surgery (%) | 4.4 | 4.3 | 5.1 | 0.451 | |
Chronic lung disease (%) | 10.8 | 10.4 | 19.4 | 0.000 | 0.256 |
Active endocarditis (%) | 0.6 | 0.6 | 0.3 | 0.518 | |
Critical preoperative state (%) | 0.3 | 0.3 | 0.5 | 0.321 | 0.003 |
Diabetes (%) | 20.6 | 20.4 | 24.7 | 0.044 | 0.101 |
NYHA class III or IV (%) | 31.0 | 30.6 | 40.7 | 0.001 | 0.213 |
Angina CCS class IV (%) | 1.9 | 1.9 | 2.4 | 0.491 | |
LVEF moderate or poor (%) | 23.3 | 23 | 28.1 | 0.022 | 0.116 |
Recent MI (%) | 14.3 | 14.2 | 15.7 | 0.426 | 0.041 |
Pulmonary hypertension (%) | 8.0 | 7.8 | 10.8 | 0.035 | |
Urgency (urgent) (%) | 20.1 | 20 | 23.5 | 0.09 | 0.086 |
Weight of intervention (%) | 0.000 | ||||
Isolated CABG | 52.0 | 52.1 | 50.0 | ||
Single non CABG | 25.1 | 25.5 | 17.8 | ||
≥ 2 procedures | 22.9 | 22.4 | 32.3 | ||
Surgery on thoracic aorta (%) | 5.1 | 4.9 | 9.3 | 0.172 | |
Intraoperative characteristics | |||||
Aortic cross-clamp (min) | 60 [42–84] | 60 [42–83] | 66 [46–99] | < 0.001 | |
ECC (min) | 91 [68–124] | 90 [68–123] | 102 [71–145] | < 0.001 | |