Does High Thoracic Epidural Analgesia with Levobupivacaine Preserve Myocardium? A Prospective Randomized Study

Table 3

The malondialdehyde and total antioxidant capacity levels.

Parameters	t1	t2	t3	t4
	Median (range)	Median (range)	Median (range)	Median (range)
Malondialdehyde (µmol/L)
Group 1	1.53 (0.74–3.51)	1.49 (0.99–3.32)	1.88 (1.14–5.20)	2.33 (1.44–4.85)^+
Group 2	1.39 (0.74–2.67)	1.58 (0.99–2.97)^*+	2.18 (1.24–5.40)^*+	2.48 (1.34–5.40)^*+
Total antioxidant capacity; (mmol Trolox Eq./L)
Group 1	2.11 (1.84–2.32)	2.02 (1.71–2.14)^+	1.49 (0.33–1.77)	1.57 (1.23–1.78)
Group 2	2.05 (1.25–2.46)	1.95 (1.59–2.19)^+	1.47 (1.30–1.83)^*+	1.59 (1.12–1.91)^*

: significant difference between Group I and Group II;
: significant difference between the values when compared with t1 value within the groups.