Table 1.
Baseline characteristics of the 605 patients.
Table 2.
T wave morphology descriptors and QRS duration.
Fig 1.
Rate of first appropriate ICD shock by T wave loop area.
Cumulative incidence functions for the probability of appropriate ICD shock according to 25% of patients with the largest loops (red dotted line) vs. 75% of patients with the smaller loops (blue line).
Fig 2.
Rate of first appropriate ICD shock by T wave loop circularity.
Cumulative incidence functions for the probability of appropriate ICD shock according to 25% of patients with the least compact loops (highest T wave loop circularity, red dotted line) vs. 75% of patients with more compact loops (blue line).
Table 3.
Fine and Gray regression for appropriate shock.
Table 4.
Fine and Gray regression for appropriate shock adjusted for clinical variables (see text; The upper and the remaining quartiles of TLA and TLC, respectively, were compared; TLA and TCL were not entered into the same model).
Fig 3.
Rate of first appropriate ICD shock by QRS duration.
Cumulative incidence functions for the probability of appropriate ICD shock according to QRS duration above (red dotted line) and below (blue line) the median.