The Scientific World Journal / 2013 / Article / Tab 1

Clinical Study

Comparison of Long-Term Effect of Dual-Chamber Pacing and Alcohol Septal Ablation in Patients with Hypertrophic Obstructive Cardiomyopathy

Table 1


ParameterASA ( )DDD pacing ( ) value**
Mean (SD)Median (95% CI) value*Mean (SD)Median (95% CI) value*

Age (years)54.4 (13.69)54.0 (50.0; 60.0)50.0 (16.18)49.0 (43.0; 58.0)0.180
Follow up (months)86.9 (23.14)80.0 (74.0; 90.0)101.2 (48.78)109.5 (88.0; 132.0)0.069
NYHA class
 Baseline2.80 (0.478)3.00 (3.0; 3.0)2.65 (0.541)3.00 (2.0; 3.0)0.350
 Final 1.66 (0.778)1.25 (1.0; 2.0)2.13 (0.576)2.00 (2.0; 2.5)0.005
 Difference (final-baseline)−1.13 (0.742)−1.00 (−1.5; −1.0)<0.001−0.52 (0.561)−0.50 (−1.0; 0.0)<0.0010.001
LVOTG (mmHg)
 Baseline73.0 (37.82)70.0 (54.0; 80.0)81.7 (43.63)78.5 (55.0; 100.0)0.322
 Final 23.6 (26.42)10.0 (7.0; 25.0)20.8 (21.19)11.0 (6.0; 25.0)0.960
 Difference (final-baseline)−49.4 (34.13)−49.5 (−64.0; −34.0)<0.001−60.9 (47.51)−53.5 (−74.0; −34.0)<0.0010.264
LVEF (%)
 Baseline78.9 (8.50)80.0 (78.0; 83.0)70.1 (8.90)70.0 (68.0; 75.0)<0.001
 Final 73.8 (9.94)77.0 (70.0; 80.0)63.0 (7.15)65.0 (60.0; 70.0)<0.001
 Difference (final-baseline)−5.1 (9.29)−3.5 (−5.0; 0.0)<0.001−7.0 (8.93)−6.5 (−10.0; 0.0)0.0010.312
LV Dd (mm)
 Baseline41.8 (4.91)42.0 (40.0; 44.0)47.3 (5.66)47.5 (44.0; 53.0)<0.001
 Final 47.0 (5.05)48.0 (46.0; 49.0)47.6 (5.49)47.0 (44.0; 50.0)0.874
 Difference (final-baseline)5.2 (5.91)4.0 (2.0; 6.0)<0.0010.2 (5.57)0.0 (−2.0; 5.0)0.9490.004
IVS (mm)
 Baseline21.7 (3.96)20.0 (20.0; 22.0)23.4 (5.81)22.0 (20.0; 26.0)0.207
 Final 14.2 (5.63)13.0 (12.0; 15.0)20.3 (7.21)19.0 (17.0; 20.0)<0.001
 Difference (final-baseline)−7.5 (6.19)−7.8 (−9.5; −6.0)0.001−3.4 (4.01)−3.0 (−5.0; −2.0)0.001<0.001

value: statistical significance of the parameter change in each group.
value: statistical significance of the difference in parameter change between both groups.

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