CIF, Cumulative Incidence Function; CRT, Cardiac Resynchronization Therapy, N/A: Not applicable; NE: Not estimable.

^† Observed percentage defined as number of events divided by number of patients.

†† Includes complications related to the mechanical integrity of the device or codes explicitly stating device relatedness (e.g. device dislodgement, device infection, device pocket complication).

††† Includes replacement, system switch, removal, upgrade to dual-chamber, and upgrade to CRT.

*CMS cell suppression requirement for cell values between 1 and 10.