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. 2017 Oct 17;6(10):e007026. doi: 10.1161/JAHA.117.007026

Table 2.

Event Rates According to Lead Type

QUAD (n=287) Non‐QUAD (n=560)
n %a n %a
Total mortality 19 3.6 218 10.9
Cardiac mortality 13 2.4 136 6.0
HF hospitalization 22 4.4 104 5.6
Death from pump failure 11 2.1 122 5.4
SCD 2 0.4 13 0.6

HF indicates heart failure; QUAD, quadripolar left ventricular lead; SCD, sudden cardiac death.

a

Data are expressed in terms of annualized event rates.