On multivariate Cox regression analysis, Ɛ R ≤ 30% was independently associated with the endpoint (HR 1.830, 95% CI 1.031 to 3.246; p = 0.039) together with age (HR 1.071, 95% CI 1.043 to 1.099; p < 0.001), sex (female) (HR 0.444, 95% CI 0.229 to 0.861; p = 0.016), and DLCO (HR 0.969 95% CI 0.956 to 0.982; p < 0.001); other variables did not reach statistical significance. 3.3.
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Association between Left Atrial Function and Survival in Systemic Sclerosis.
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