Table IV.

Cox proportional regression analysis

Model	Unadjusted	Model 1	Model 2	Model 3
Hazard ratio (95% confidence interval):
< 130/80 mm Hg (reference)
< 140/90 mm Hg	1.16 (1.04–1.22)	1.04 (1.01–1.17)	1.00 (0.92–1.08)	NS
≥ 140/90 mm Hg	1.37 (1.19–1.55)	1.28 (1.13–1.40)	1.19 (1.08–1.32)	1.12 (1.04–1.21)
Hazard ratio (95% confidence interval):
< 140/90 mm Hg (reference)
≥ 140/90 mm Hg	1.29 (1.19–1.40)	1.21 (1.16–1.31)	1.15 (1.09–1.24)	1.06 (1.02–1.17)

NS – non-significant; Model 1 adjusted for age and male gender; Model 2 additionally adjusted for smoking status, body mass index, hypertension duration, diabetes mellitus, GFR at baseline, ischemic stroke and coronary artery disease; Model 3 additionally adjusted for blood pressure at follow-up, anti-platelets, statins, anti-hypertensive drugs.