From:  Incident left bundle branch block predicts cardiovascular events and death in hypertensive patients with left ventricular hypertrophy. The LIFE Study

Association of incident LBBB with clinical endpoints in univariate Cox regression models

EndpointNo new LBBB, n (%)Incident LBBB, n (%)HR (95% CIs)P
Primary composite endpoint988 (25.8)28 (19.7)2.68 (1.83–3.92)< 0.001
Stroke502 (12.9)6 (4.0)1.17 (0.52–2.64)0.700
Myocardial infarction360 (9.2)5 (3.3)1.25 (0.51–3.04)0.624
CV mortality364 (9.0)21 (13.2)4.33 (2.76–6.80)< 0.001
Sudden cardiac death564 (14.6)7 (4.8)3.07 (0.96–2.08)0.080
Hospitalization for heart failure264 (6.7)12 (8.4)4.95 (2.74–8.94)< 0.001
All-cause mortality705 (17.7)34 (21.6)3.40 (2.40–4.80)< 0.001