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. Author manuscript; available in PMC: 2016 Feb 5.
Published in final edited form as: Mayo Clin Proc. 2015 Apr;90(4):492–499. doi: 10.1016/j.mayocp.2014.12.024

FIGURE 2.

FIGURE 2

Cumulative rate of burn injury during 22 months in patients with chronic obstructive pulmonary disease receiving oxygen therapy during first 2 calendar months in the cohort study. Yes indicates patients who were prescribed oxygen in January and February (n=97,372). No indicates patients who were not prescribed oxygen in January and February (n=254,884).