Table 6 Variables associated with postoperative severe cardiac event and/or death (n = 628)

Elevated cardiac troponin I^a

4.33 (2.82–6.64)

<0.001

Left ventricular ejection fraction <50%

2.31 (1.31–4.05)

0.004

Diuretics

1.88 (1.23–2.88)

0.004

Chronic pulmonary obstructive disease

1.95 (1.05–3.64)

0.04

Cardiopulmonary bypass time (per 1 min increase)

1.0110 (1.0043–1.0175)

0.0012