Table 4.

Univariate logistic regression model to predict graft occlusion.

Parameter	OR	95% CI	p
CR cardioplegia	25.1	2.1–>999	0.0420
CR TTF	1.28	0.74–2.20	0.37
TTF < 20 mL/min	1.88	0.13–26.2	0.64
TTF < 31 mL/min	4.88	0.59–40.3	0.14
PI	1.96	0.68–5.64	0.21
PI > 3	11.78	0.11–>999	0.23

CR: coronary resistances, TTF: transit time flowmetry, PI: pulsatility index.