1. The progressive nature of peripheral arterial disease in young adults: A prospective analysis of white men referred to a vascular surgery service 
R.James Valentine, MD, Mark R. Jackson, MD, J.Gregory Modrall, MD, Kenneth E. McIntyre, MD, G.Patrick Clagett, MD 
Journal of Vascular Surgery 
Volume 30, Issue 3, Pages (September 1999)
DOI: /S (99)
Copyright © 1999 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2. Fig. 1
Outcome of 51 patients with premature PAD. Stable, Proportion of patients who did not undergo revascularization procedures; one intervention, proportion of patients whose conditions remained clinically stable for long periods after single revascularization procedure; multiple interventions, proportion of patients who required two or more revascularizations or major amputations.
Journal of Vascular Surgery  , DOI: ( /S (99) )
Copyright © 1999 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3. Fig. 2
Kaplan-Meier curve shows intervention-free survival rate among all 51 study patients.
Journal of Vascular Surgery  , DOI: ( /S (99) )
Copyright © 1999 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4. Fig. 3 Kaplan-Meier curve shows survival rate among 51 study patients.
Journal of Vascular Surgery  , DOI: ( /S (99) )
Copyright © 1999 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions