Table 2

The estimated risks of cardiovascular deaths from explanatory variables by gender

Variables	Male			Female
	HR	95% CI		HR	95% CI
	HR	LCI	UCI	HR	LCI	UCI
Age (65–74 as a reference)
Age ≥75	2.93	2.48	3.46	4.95	3.91	6.26
BMI (18.5≤BMI< 24 as a reference)
BMI<18.5	1.14	0.83	1.58	1.49	0.99	2.25
24≤BMI< 27	0.84	0.72	0.98	0.87	0.69	1.10
27≤BMI< 30	0.90	0.72	1.12	0.89	0.65	1.20
30≤BMI< 35	0.93	0.64	1.36	1.17	0.79	1.74
BMI≥35	1.40	0.51	3.83	1.19	0.44	3.26
Having heart disease history	1.45	1.26	1.67	1.57	1.28	1.93
Having hypertension history	1.23	1.04	1.46	0.96	0.76	1.22
Having diabetes mellitus history	1.00	0.86	1.16	1.04	0.84	1.28
Smoking status (non-smoking as a reference)
Smoking occasionally	0.87	0.62	1.21	0.76	0.31	1.87
Smoking every day	1.04	0.79	1.35	0.94	0.42	2.11
Drinking status (non-drinking as a reference)
Drinking	0.95	0.81	1.11	0.78	0.53	1.13
Renal function (eGFR ≥90 as a reference)
90>eGFR≥ 60	1.91	0.90	4.06	2.43	0.89	6.64
60>eGFR≥ 45	2.85	1.33	6.09	3.66	1.32	10.15
eGFR<45	3.98	1.84	8.61	6.77	2.41	18.99
eGFR decline (slope > −5 as a reference)
Slope ≤ −5	3.24	2.73	3.85	2.83	2.20	3.64
Urine protein (− as a reference)
+/−, +, ++	1.51	1.29	1.78	1.93	1.54	2.42
+++, ++++	2.31	1.51	3.53	4.23	2.34	7.65

BMI, body mass index; eGFR, estimated glomerular filtration rate; LCI, lower 95% confidence interval; UCI, upper 95% confidence interval.