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Table 1 Patient characteristics at baseline

From: Circumferential 2D-strain imaging for the prediction of long term response to cardiac resynchronization therapy

  All (n = 38) Responders (n = 18) Non-Responders (n = 20) Difference responders vs. non-responders [p]
Age [years] 63.6 (± 10.8) 65.5 (± 8.0) 64.9 (± 11.6) 0.85
QRS width [ms] 165.1 (± 18.4) 160.3 (± 10.6) 170.8 (± 23.9) 0.15
Echo follow-up [months] 9.4 (± 3.0) 9.5 (± 3.3) 9.7 (± 2.5) 0.82
Sex [% male] 68.4 65.0 72.2 0.63
Etiology of heart failure [% ischemic] 21.1 20.0 20.0 0.71
LVEF at baseline 0.25 (± 8.0) 0.23 (± 8.7) 0.26 (± 6.8) 0.24
LV-ESV [ml] 199,04 (± 89.4) 185.3 (± 80.6) 213.6 (± 98.0) 0.35