Table 1.

Levels of Arg-1 and iNOS in atrial tissue.

	LA		RA
	LA		RA
	Arg-1	iNOS	Arg-1	iNOS
sham group (n = 6)	1.003 ± 0.015ΔΔΔ	0.923 ± 0.075ΔΔΔ	1.007 ± 0.031ΔΔΔ	0.987 ± 0.230ΔΔΔ
pacing group (n = 7)	0.247 ± 0.025	2.880 ± 0.089	0.253 ± 0.031	3.180 ± 0.356
pacing+TRAM-34 group (n = 7)	0.447 ± 0.031***ΔΔΔ	1.853 ± 0.117***ΔΔΔ	0.450 ± 0.057***ΔΔ	1.757 ± 0.282*ΔΔ

P^* < 0.05 vs. the sham group, P^*** < 0.001 vs. the sham group.

P^ΔΔ < 0.01 vs. the pacing group, P^ΔΔΔ < 0.001 vs. the pacing group.

Arg-1, Arginase 1; iNOS, Inducible Nitric Oxide Synthase; RA, right atrium; LA, left atrium.