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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Eur J Vasc Endovasc Surg. 2015 Jan;49(1):83–89. doi: 10.1016/j.ejvs.2014.10.010

Fig. 3.

Fig. 3

This figure shows the cohort average signals with their standard error bars. The healthy cohort average’s error bars rarely overlap with those of the PAD cohorts. Furthermore the biggest discrepancy occurs before release of the 60mmHg occlusion. There is little difference between the PAD and diabetic PAD cohorts, suggesting that VOTI is unaffected by arterial compressibility.