Fig. 1From: Hypochromic red cells as a prognostic indicator of survival among patients with systemic sclerosis screened for pulmonary hypertensionStudy flowchart. Out of 280 patients, 171 had an assessment of hypochromic erythrocytes at the initial screening for pulmonary hypertension. Patients were assessed clinically and followed for 2.4 ± 1.8 (median 2.4) yearsBack to article page