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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: J Ultrasound Med. 2016 Jul 14;35(9):1907–1914. doi: 10.7863/ultra.15.10040

Figure 2. Pulsatility indices by age groups in key arterial segments.

Figure 2

* p < 0.05 for association of age with PI from linear regression models that included age (years), sex, race-ethnicity (black/white), history of MI or revascularization, hypertension, and history of diabetes.