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Table 2 Post-operative complications and health service utilization

From: Association between older age and outcome after cardiac surgery: a population-based cohort study

Variables Age 18–49 (n = 752) Age 50–64 (n = 2500) Age 65–79 (n = 3047) Age ≥80 (n = 544) P value
Bleeding (re-exploration) 2.0% 1.4% 2.3% 2.8% 0.04
Infection 6.2% 7.4% 11.4% 13.4% <0.001
Neurologic events 1.3% 1.3% 3.7% 7.4% <0.001
Pulmonary complications 14.1% 12.7% 20.5% 30.3% <0.001
AKI 6.5% 4.7% 11.2% 16.2% <0.001
Atrial fibrillation 15.1% 28.0% 41.1% 45.8% <0.001
Cardiac arrest 1.5% 1.8% 3.4% 5.5% <0.001
Heart block 2.7% 1.8% 2.9% 5.0% <0.001
IABP 3.0% 3.1% 3.9% 4.2% 0.27
CRRT 2.7% 1.7% 4.1% 6.4% <0.001
CVICU LOS (hr) 87.5 ± 385.6 67.7 ± 145.0 107.7 ± 248.7 158.8 ± 343.6 <0.001
Hospital LOS 8.7 ± 14.4 8.1 ± 14.7 11.3 ± 17.7 15.8 ± 24.2 <0.001
CVICU re-admission 3.9% 2.6% 4.6% 9.0% <0.001
Discharge location      
Home 92.1% 90.6% 77.1% 56.1% <0.001
Other facilities 7.9% 9.4% 22.9% 43.9% <0.001
  1. AKI: acute kidney injury; IABP: intra-aortic balloon pump; CRRT: continuous renal replacement therapy; LOS: length of stay.