TABLE 4.

Subgroup analysis.

	n	HR (95% CI)	P	P for interaction
2-year all-cause mortality
Heart failure				0.472
Yes	161	0.458 (0.119–1.773)	0.258
No	38	1.264 (0.115–13.948)	0.848
LVEF≤35%				0.968
Yes	25	52.454 (0.000-600986,101)	0.633
No	174	0.492 (0.148–1.634)	0.247
Sex				0.067
male	122	0.696 (0.156–3.111)	0.635
female	77	0.513 (0.094–2.801)	0.441
2-year stroke or heart failure hospitalization
Heart failure				0.581
Yes	161	0.258 (0.073–0.913)	0.036
No	38	0.433 (0.097–1.936)	0.273
LVEF≤35%				0.960
Yes	25	52.454 (0.000-600986,101)	0.633
No	174	0.293 (0.107–0.799)	0.017
Sex				0.209
male	122	0.555 (0.181–1.696)	0.301
female	77	0.123 (0.015–0.988)	0.049
2-year Combined endpoint
Heart failure				0.608
Yes	161	0.384 (0.150–0.982)	0.046
No	38	0.574 (0.143–2.297)	0.432
LVEF≤35%				0.951
Yes	25	54.148 (0.001-5137,804)	0.495
No	174	0.368 (0.162–0.836)	0.017
Sex				0.143
male	122	0.719 (0.284–1.822)	0.487
female	77	0.190 (0.042–0.870)	0.032

Abbreviations: HR, hazard ratio; CI, confidence interval; LVEF: left ventricular eject fraction.