Table 2

Baseline patient characteristics (Differences between groups by Whitney-Mann test, Dichotomized data were analyzed by the Chi2-Pearson-Test)


echo-guided CRT group
controls
p

n =
16
38


% ischemic cardiomyopathy (ICMP)
37.5 (n = 5)
21.1 (n = 8)
0.49

Age [years]
67.1 (± 9.9)
63.6 (± 10.8)
0.79

male %
93.8 (n = 15)
68.4 (n = 26)
0.04

QRS width [mm] at baseline
166 (± 13)
165 (± 18)
0.48

Follow-up-interval [months]
6.7 (± 7.2)
9.4 (± 3.0)
< 0.001

LVEF [%]
23.1 (± 6.7)
24.5 (± 7.4)
0.75

LV-EDV [ml]
259.1 (± 111.2)
262.0 (± 104.8)
0.98

LV-ESV [ml]
199.04 (± 89.4)
204.3 (± 90.8)
0.38

% responder according to reduction of LVESV/increase in EF
13/16 = 81.2%
18/38 = 47.4%
0.04

Knebel et al. Cardiovascular Ultrasound 2008 6:58   doi:10.1186/1476-7120-6-58

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