Table

Comparison of clinic outcomes before and after CRT in different LV lead locations

	Lateral vein (N=359)		Anterolateral vein (N=226)		middle cardiac vein (N=49)		anterior interventricular vein (N=84)
	Pre-CRT	Post-CRT	Pre-CRT	Post-CRT	Pre-CRT	Post-CRT	Pre-CRT	Post-CRT
NYHA	3.02±0.46	2.34±0.81^*	2.92±0.53	2.34±0.89^*	3.10±0.45	2.70±0.85^*	2.98±0.52	2.43±0.86^*
LVEF (%)	23.57±7.28	30.82±11.67^*	24.19±7.96	30.44±12.06^*	24.97±7.62	30.72±11.43^*	22.45±7.25	28.40±11.73^*
LVEDD (mm)	65.71±9.12	63.00±9.73^*	65.79±8.87	63.88±9.88^*	65.39±9.32	62.61±10.25^*	68.48±8.92	64.86±9.67^*
LVESD (mm)	57.91±9.89	52.83±11.68^*	56.69±10.23	53.03±12.01^*	56.18±11.56	52.24±13.11^*	59.09±10.04	55.32±13.30
RVD (mm)	0.90±0.86	0.82±0.85	0.85±0.92	0.82±0.85	0.86±0.83	1.01±0.84	0.56±0.77	0.78±0.91
RV dysfunction	1.05±0.92	0.88±0.92^*	1.03±0.93	0.93±0.91	1.06±0.97	1.06±0.90	0.74±0.86	0.79±0.96
MR (m/s)	1.54±0.78	1.30±0.75^*	1.57±0.83	1.35±0.75^*	1.53±0.71	1.15±0.70^*	1.36±0.69	1.19±0.68