Table 1.

Demographic patient data and dosage and consumption of anesthetic drugs

	Study group n = 32	Control group n = 30	p
BMI (kg m-2)	27.3 ± 4.8	28.9 ± 5.0	0.18
Male/Female (n)	19/13	24/6	0.18
ASA I/II/III (n)	0/0/32	0/0/30	1.0
Chronic beta-blocker therapy (n)	32/32	30/30
Remifentanil (maximum infusion rate in μg kg-1 min-1)
before sternotomy	2.0 [0.0 - 6.0]	-	n.a.
during sternotomy	3.0 [2.0 - 7.0]	-	n.a.
after sternotomy	2.5 [0.3 - 7.0]	-	n.a.
Cumulative opioid doses before sternotomy
Sufentanil (μg)	345 ± 68	355 ± 45	0.5
Remifentanil (mg)	6.2 [1.1 - 22.1]	-	n.a.

(means ± standard deviation, median [range] or count).

n.a. not applicable.