Fig. 1
From: Outcomes of Cardiac Resynchronization Therapy in Patients with Hypothyroidism and Heart Failure
Kaplan–Meier survival comparison in patients with hypothyroidism and euthyroidism (a), and in patients with subclinical (SH) and overt hypothyroidism (OH) (b); Kaplan–Meier survival free from appropriate implantable cardioverter-defibrillatory (ICD) therapy in patients with hypothyroidism and euthyroidism (c) and in patients with SH and OH (d)