highly significantp < .001
For patients with ≥3.7 years since implantation the association was highly significant (HR: 1.63 [95% CI: 1.36–1.96], p < .001, while it was nonsignificant for patients with <3.7 years since implantation (HR: 1.18 [95% CI: 0.99–1.42], p = .07).