Figure 3.

A proposed screening algorithm for SSc-PAH. 6MWT, 6-minute walk test; DLCO, diffusion capacity of lungs to carbon monoxide, percentage predicted; FVC, forced vital capacity, percentage predicted; HRCT, high-resolution computed tomography of lung; NT-proBNP, N-terminal pro-brain natriuretic peptide (pg/ml); PAH, pulmonary arterial hypertension; PFT, pulmonary-function test; SSc, systemic sclerosis.

Thakkar et al. Arthritis Research & Therapy 2012 14:R143   doi:10.1186/ar3876
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