Variable Overall study population (n=2,791) (+) POAF  
(n = 901)
(-) POAF
(n = 1,890)
P value
Intensive care unit length of stay (days) 2.6 ± 4.9 3 ± 4.3 2.4 ± 5.2 <0.0001
Peak postop creatinine (μmol/L) 118.3 ± 77.2 120.4 ± 70.1 117.4 ± 80.5 0.041
Hospital length of stay (days) 8.1 ± 10.3 8.8 ± 11.3 7.8 ± 9.7 <0.0001
Pulmonary artery systolic pressure (PASP) 31.3 ± 6.3 31.7 ± 7.2 31 ± 5.8 0.07
Left ventricular end- diastolic pressure (LVEDP) 9.9 ± 10.5 10 ± 10.9 10 ± 10.3 0.84
Length of mechanical ventilation (hours) 20.6 ± 53.8 27 ± 72 17.6 ± 42.1 <0.0001
Postoperative IABP (%) 41 (1.5%) 19 (2.1%) 22 (1.2%) 0.0954
Blood transfusion (%) 1830 (65.6%) 672 (74.6%) 1158 (61.3%) <0.0001
Table 5: Postoperative Variables based on the presence or absence of POAF.