Table 2

Factors associated with 1-year all-cause mortality. Univariate and multivariate analysis

Variable	Mortality (%)	Univariate			Multivariate
Variable	Mortality (%)	HR	95% CI	P value	HR	95% CI	P value
Gender				0.795			0.311
Male	7.82	Ref.
Female	8.19	1.05	0.73 to 1.50	0.795	0.83	0.57 to 1.19	0.311
Age (years)				<0.0001			<0.0001
<50	2.16	Ref.			Ref.
50–59	0.85	0.4	0.08 to 2.00	0.267	0.4	0.08 to 1.97	0.259
60–69	5.46	2.62	0.79 to 8.71	0.117	2.25	0.67 to 7.53	0.189
70–79	10.26	5.03	1.56 to 16.19	0.007	4.15	1.28 to 13.45	0.018
80−	24.26	13.12	4.09 to 42.06	<0.0001	9.95	3.06 to 32.33	0.0001
CCI				<0.0001			<0.0001
0	4.18	Ref.			Ref.
1	7.82	1.88	1.15 to 3.07	0.011	1.47	0.90 to 2.42	0.127
2	17.39	4.39	2.75 to 7.02	<0.0001	2.68	1.65 to 4.36	<0.0001
≥3	19.23	4.82	2.89 to 8.03	<0.0001	3.33	1.97 to 5.64	<0.0001
Coronary status				0.006			0.149
Obstruction	4.55	Ref.			Ref.
No obstruction	8.36	1.87	1.12 to 3.14	0.017	1.69	0.99 to 2.87	0.05
NAS	10.67	2.41	1.41 to 4.12	0.001	1.51	0.87 to 2.65	0.155
Study year				0.198			0.564
2004–2006	7.26	Ref.			Ref.
2007–2010	7.62	1.05	0.70 to 1.56	0.821	0.99	0.66 to 1.49	0.97
2010–2014	10.79	1.44	0.90 to 2.31	0.086	1.26	0.78 to 2.07	0.338

CCI, Charlson comorbidity index; NAS, Not otherwise specified.