Table 3.

Hazard ratios for all-cause mortality stratified by follow-up duration after initial treatment.

	Adjusted HR* [CI]
Subgroup	Total	<1 year	≤1–<3 year	≥3 years
All	1.14 [1.12–1.16]	1.50 [1.44–1.57]	1.27 [1.24–1.30]	1.01 [0.99–1.03]
Male	1.28 [1.25–1.31]	1.82 [1.71–1.95]	1.43 [1.38–1.49]	1.08 [1.04–1.11]
Female	1.06 [1.04–1.09]	1.28 [1.20–1.37]	1.17 [1.13–1.21]	0.98 [0.96–1.01]
Age
<65 years	1.25 [1.22–1.29]	1.81 [1.66–1.97]	1.53 [1.46–1.60]	1.05 [1.01–1.09]
≥65 years	1.08 [1.06–1.10]	1.37 [1.30–1.44]	1.16 [1.12–1.19]	0.98 [0.96–1.01]
Comorbidities
Low CVD risk group	1.10 [1.08–1.13]	1.57 [1.44–1.70]	1.30 [1.24–1.36]	0.96 [0.93–0.99]
High CVD** risk group	1.31 [1.29–1.34]	1.72 [1.63–1.81]	1.45 [1.40–1.49]	1.15 [1.12–1.18]

CI, confidence interval; CVD, cardiovascular disease.

*Adjusted for age, sex, and comorbidities in subgroup analysis. Sex subgroup is adjusted for age and comorbidities. Age subgroup is adjusted for sex and comorbidities. CVD risk subgroup is adjusted for age and sex.

**High CVD risk group is defined as the presence of hypertension, diabetes mellitus, or prevalent CVD (MI, stroke, and heart failure).