Table 2.

Clinical and echocardiographic characteristics before upgrading of patients with IC or NIC

	IC (n.28)	NIC (n.34)	p
Age (years)	70.1 ± 8.0	74.5 ± 7.3	NS
NYHA Class	3.3 ± 0.5	3.2 ± 0.4	NS
LVEF (%)	26.0 ± 6.7	25.3 ± 5.7	NS
LVEDD (mm)	66.9 ± 8.0	63.8 ± 7.3	NS
LVESD (mm)	56.7 ± 9.1	54.0 ± 6.7	NS
Months of RV pacing	51.4 ± 42.4	47.5 ± 40.9	NS

LVEF: left ventricular ejection fraction, LVEDD: left ventricular end diastolic dimensions, LVESD: left ventricular end systolic dimensions. RV: right ventricular