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Fig. 5 | BMC Pulmonary Medicine

Fig. 5

From: Serum uric acid is associated with disease severity and may predict clinical outcome in patients of pulmonary arterial hypertension secondary to connective tissue disease in Chinese: a single-center retrospective study

Fig. 5

a Kaplan–Meier survival curves for normouricemia and hyperuricemia groups according to the respective baseline UA levels in CTD-PH patients (p = 0.013); b Kaplan–Meier survival curves of patients with steady hyperuricemia (UA: H → H) and patients with steady normouricemia (UA: N → N); p = 0.01; c Kaplan–Meier survival curves of patients with steady hyperuricemia (UA: H → H) and patients with decreasing uricemia during the follow-up period (UA: H → N), p = 0.023

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