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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Hypertension. 2014 May 12;64(1):60–68. doi: 10.1161/HYPERTENSIONAHA.113.02838

Table 3. Cox regression analysis of associations with cardiovascular events.

Variable standardized hazard ratio (95% CI) p
XSPI 1.30 1.07 1.57 0.007
PRI 1.00 0.84 1.19 >0.9
Peak Pres 1.05 0.88 1.26 0.6
bSBP 1.11 0.93 1.32 0.2
DBP 0.99 0.82 1.19 0.9
cSBP 1.13 0.95 1.34 0.2
cPP 1.18 0.99 1.40 0.07
Heart rate 1.01 0.86 1.20 0.9
AP 1.22 1.02 1.45 0.03
AIx 1.22 1.01 1.48 0.04
AIx75 1.27 1.04 1.56 0.02

Data are presented as standardized hazard ratio (i.e. per unit SD) to permit direct comparisons. All data are adjusted for age and sex. Abbreviations: AIx – augmentation index, AIx75 heart rate corrected augmentation index, AP – augmentation pressure, bSBP – brachial systolic blood pressure, cPP – central pulse pressure, cSBP – systolic blood pressure, DBP – diastolic blood pressure, Pres – reservoir pressure, PRI – reservoir pressure intergral, XSPI – excess pressure integral.