Table II.

Expression levels of SOD and MDA in the lung and plasma of different groups (n=10).

Item	Control group	IIR group	IIR + NS group	IIR + DEX group
Pulmonary SOD (U/ml)	37.19±1.14	31.21±1.16b	32.08±0.58b	33.41±0.93d
Pulmonary MDA (nmol/ml)	2.61±0.08	3.16±0.06b	3.15±0.08b	2.90±0.06d
Plasma SOD (U/ml)	43.77±0.91	33.27±1.45b	33.00±1.36b	40.30±0.69a,d
Plasma MDA (nmol/ml)	2.92±0.12	3.45±0.04b	3.40±0.06b	3.13±0.06c

^aP<0.05

^bP<0.01 vs. control group

^cP<0.05

^dP<0.01 vs. IIR + NS group. SOD, superoxide dismutase; MDA, malondialdehyde; IIR, intestine ischemia reperfusion; DEX, dexmedetomidine; NS, normal saline.