Table 3: Univariable predictors of Fast Track Protocol Failure.

All Cases (n = 279)
Hazard ratio p-value
Age (years) 1.068 (1.038, 1.098) < 0.001
Gender
Male
Female 0.564 (0.292, 1.089) 0.088
BMI (kg/m2) 1.021 (0.959, 1.088) 0.506
LVEF
> 40% (ref)
< 40% 1.173 (0.478, 2.880) 0.727
COPD 3.335 (0.547, 20.33) 0.191
Renal impairment 4.000 (1.734, 9.229) 0.001
CVA 0.639 (0.171, 2.381) 0.504
DM 1.424 (0.821, 2.470) 0.208
EuroScore II 1.732 (1.230, 2.438) 0.002
Inotropes
Low (ref) 0.003
Moderate 2.727 (1.454, 5.117) 0.002
High 2.521 (0.927, 6.858) 0.070
Cross-clamp time (mins) 1.014 (1.003, 1.024) 0.009
Lowest core temp (℃) 0.906 (0.782, 1.050) 0.191
CPB time (mins) 1.015 (1.006, 1.023) < 0.001

BMI: Body Mass Index; LVEF: Left ventricular ejection fraction; COPD: Chronic obstructive pulmonary disease; CVA: Cerebrovascular accident; DM: Diabetes mellitus; CPB: Cardiopulmonary bypass.