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Table 4 Sensitivity analysis of the multivariate regression model

From: Skin thickness score as a surrogate marker of organ involvements in systemic sclerosis: a retrospective observational study

Additional variables

%FVC vs mRSS

%DLco vs mRSS

N

β (95% CI)

N

β (95% CI)

Pulmonary hypertension

175

− 0.59** (− 0.97 to − 0.22)

170

− 0.52** (− 0.88 to − 0.16)

Use of corticosteroids or immunosuppressants

175

− 0.52** (− 0.89 to − 0.15)

170

− 0.45* (− 0.81 to − 0.10)

Use of vasoactive agents

175

− 0.59** (− 0.97 to − 0.22)

170

− 0.50** (− 0.85 to − 0.14)

History of smoking

174

− 0.62** (− 0.98 to − 0.27)

169

− 0.52** (− 0.88 to − 0.16)

  1. β regression coefficient, CI confidence interval. Asterisk (*) indicates statistical significance in regression analysis.*P < 0.05; **P < 0.01