Table 1

Patient characteristics at baseline and follow up

BaselineFollow upp Value
Values are mean (SD).
HR, heart rate; LAD, left atrial diameter; LVEDd, left ventricular end diastolic diameter; LVEDs, left ventricular end systolic diameter; NYHA, New York Heart Association; 6MHWT, 6 minute hall walk test.
NYHA functional classIII–IV (mean 3.4)II–III (mean 2.6)<0.05
Ejection fraction (%)21.6 (5.8)30.7 (6.4)<0.05
LVEDd (cm)7.3 (1.1)7.1 (1.2)NS
LVEDs (cm)6.4 (1.0)6.1 (1.3)0.073
LAD (cm)5.1 (1.1)5.3 (1.2)NS
Body weight (kg)82 (14)77 (11)<0.05
QRS duration (ms)173 (23)166 (21)<0.05
6MHWT distance (m)351 (141)460 (159)<0.05
HR during examination (beats/min)75 (17)82 (15)NS