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Calculation of SMR using death rates from the EUSTAR dcSSc cohort (observed deaths) and deaths in the general population (expected deaths from the Italian life tables) in patients with ≥ 1 HAQ-DI score measurement. CI confidence interval, dcSSc diffuse cutaneous systemic sclerosis, EUSTAR European Scleroderma Trials and Research, GI gastrointestinal, HAQ-DI Health Assessment Questionnaire-Disability Index, PH pulmonary arterial hypertension, SMR standardized mortality ratio
