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. 2014 Jan 28;9(1):e86514. doi: 10.1371/journal.pone.0086514

Table 2. Hazard ratios for one unit increase in measures of systolic BP variability and other covariates from fully adjusted model.

SD COV VIM
Hazard Ratio Hazard Ratio Hazard Ratio
(95% CI) (95% CI) (95% CI)
BP Variability 1.08 1.13 1.09
(1.01, 1.16) (1.02, 1.24) (1.02, 1.16)
Age 1.03 1.03 1.03
(0.99, 1.06) (0.99, 1.06) (0.99, 1.06)
Sex 1.36 1.35 1.35
(0.65,2.83) (0.65,2.81) (0.65,2.82)
Cardiovascular disease 0.91 0.92 0.92
(0.44,1.90) (0.44, 1.93) (0.44, 1.92)
Diabetes 1.33 1.33 1.33
(0.63,2.81) (0.63,2.82) (0.63,2.82)
Mean SBP 0.99 0.99 0.99
(0.97,1.01) (0.98, 1.02) (0.98, 1.02)

SD – standard deviation; COV – coefficient of variation; VIM – Variation independent of the mean; SBP – Systolic blood pressure.