Table 3 QRS duration and cardiac asynchrony parameters before and one day after device implantation.

QRS, ms

153.8 ± 17.6

150.0 ± 15.1

0.583

123.8 ± 12.4*

113.8 ± 11.9^#

0.086

RVMD, ms

88.8 ± 24.7

85.0 ± 26.2

0.708

111.6 ± 27.4*

105.5 ± 21.1

0.565

LVMD, ms

142.4 ± 25.3

141.9 ± 19.8

0.953

122.2 ± 32.2*

123.8 ± 19.7

0.567

IVMD, ms

53.7 ± 20.9

56.9 ± 22.4

0.713

20.3 ± 15.7*

19.8 ± 15.9^#

0.858

interventricular asynchrony, n (%)

19 (65.5%)

6 (75.0%)

0.936

2 (6.9%)*

1 (12.5%)^#

0.828

intraventricular asynchrony, n (%)

28 (96.6%)

8 (100.0%)

0.485

23 (79.3%)

4 (50.0%)

0.229

longest intraventricular delay, ms

86.2 ± 30.5

78.8 ± 23.6

0.528

66.2 ± 36.2*

32.5 ± 18.3^#

0.022

asynchronous segments, n (%)

2.3 ± 1.1

2.0 ± 0.8

0.518

2.0 ± 1.2

1.1 ± 1.6

0.150