Research Article

A Predictive Model for Super-Response to Cardiac Resynchronization Therapy: The QQ-LAE Score

Table 3

Cox proportional-hazard regression analysis of score categories of long-term endpoint.

Endpoint and scoreNo. of patientsNo. of patients with events (%)Adjusted HR95% CI value

Cardiac death/heart transplant
 Low response score21975 (34.2)1.00
 Medium response score12911 (8.5)0.430.21 to 0.890.022
 High response score391 (2.6)0.120.02 to 0.930.042

HF hospitalization
 Low response score21992 (42.0)1.00
 Medium response score12924 (18.6)0.890.51 to 1.550.679
 High response score393 (7.7)0.290.09 to 0.990.048

All-cause death
 Low response score21981 (36.9)1.00
 Medium response score12921 (16.3)0.290.09 to 0.990.179
 High response score391 (2.6)0.110.01 to 0.790.028

CI, confidence interval; HR, hazard ratio; 95%; HF, heart failure.