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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Circ Cardiovasc Qual Outcomes. 2014 Jul;7(4):532–539. doi: 10.1161/CIRCOUTCOMES.113.000618

Figure 1.

Figure 1

Prevalence of PAD by poverty-income ratio (PIR) category. PIR is a ratio of self-reported household income relative to a family’s poverty threshold A PIR value < 1.0 indicates family income below the poverty threshold. PIR was categorized as < 1.0, 1.0–1.99, 2.0–2.99, 3.0–3.99, 4.0–4.99, and ≥5.0.