1. Date of download: 7/5/2016 Copyright © 2016 American Medical Association. All rights reserved. From: A Prognostic Risk Index for Long-term Mortality in Patients With Peripheral Arterial Disease Arch Intern Med. 2007;167(22):2482-2489. doi:10.1001/archinte.167.22.2482 Mortality rates at 1-year (A), 5-year (B), and 10-year (C) follow-up in the derivation and validation cohorts, stratified according to 4 different risk classification groups (low, low-intermediate, high-intermediate, and high risk group). Figure Legend:

2. Date of download: 7/5/2016 Copyright © 2016 American Medical Association. All rights reserved. From: A Prognostic Risk Index for Long-term Mortality in Patients With Peripheral Arterial Disease Arch Intern Med. 2007;167(22):2482-2489. doi:10.1001/archinte.167.22.2482 Kaplan-Meier curves for 1-year (A), 5-year (B), and 10-year (C) survival in the derivation and validation cohorts stratified according to 4 different risk classification groups by risk score (low, low-intermediate, high-intermediate, and high risk). P<.001 for all categories. Figure Legend:

3. Date of download: 7/5/2016 Copyright © 2016 American Medical Association. All rights reserved. From: A Prognostic Risk Index for Long-term Mortality in Patients With Peripheral Arterial Disease Arch Intern Med. 2007;167(22):2482-2489. doi:10.1001/archinte.167.22.2482 One-year survival in the Netherlands Heart Survey cohort according to 4 different risk classification groups (low, low-intermediate, high-intermediate, and high risk). Figure Legend: