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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Arthritis Rheumatol. 2019 Jun 18;71(8):1339–1349. doi: 10.1002/art.40862

Figure 2. SSc-ILD and PH Change in WHO Functional Class.

Figure 2.

Histogram depicts FC prior to PH diagnosis for subjects with SSc-ILD and PH (WHO FC II, III, and IV) and the change in FC through time of data analysis. SSc-systemic sclerosis; ILD-interstitial lung disease; SSc-ILD-systemic sclerosis associated interstitial lung disease; PH-pulmonary hypertension; WHO-World Health Organization; FC-functional class