Table 1.

Effects of L-arg on ET-1, MDA, NO, and TNFα levels in serum.

Group	n	ET-1 (pg/mL)	MDA (nmol/L)	NO (mmol/L)	TNFα(ng/mL)
SHAM	6	226.01±37.91	23.78±7.81	108.17±56.28	3.20±0.39
IR	7	229.68±68.20	25.54±9.32	87.57±23.17	2.66±0.54
IR+L-arg	6	246.50±31.44	8.93±1.50b	162.17±42.93d	3.76±0.95

^bP<0.01 vs either SHAM or IR group;

^dP<0.01 vs IR group.