Table 3 Comparison of the heart failure (HF) and cardiovascular hospitalisation event-free survival in ischaemic and non-ischaemic patients after cardiac resynchronisation therapy at the end of first, second and third-year follow-up
Hospitalisation event-free survival (% of patients)Ischaemic (n = 52)Non-ischaemic (n = 67)Ischaemic vs non-ischaemic
First-year follow-up:
    HF related74%80%log-rank χ2 = 1.053, p = 0.305
    Cardiovascular related51%61%log-rank χ2 = 2.316, p = 0.128
Second-year follow-up:
    HF related65%68%log-rank χ2 = 0.432, p = 0.511
    Cardiovascular related27%49%log-rank χ2 = 6.150, p = 0.013
Third-year follow-up:
    HF related54%67%log-rank χ2 = 2.729, p = 0.099
    Cardiovascular related10%44%log-rank χ2 = 11.443, p = 0.001