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Table 5 Univariate and Multivariate analyses of overall survival after ICU admission in patients with RA

From: Prognostic factors for the short-term mortality of patients with rheumatoid arthritis admitted to intensive care units

  Univariate Analysis Multivariate Analysis
HR 95% CI P-value HR 95% CI P-value
csDMARDs (yes) 0.569 0.283–1.146 0.1147 0.413 0.190–0.899 0.0229
Prednisone (higher dose) 1.072 1.015–1.022 0.0148 1.052 0.989–1.112 0.1062
Total CCI 1.511 1.265–1.795 < 0.0001 1.522 1.203–1.892 0.0007
APACHE II 1.115 1.053–1.181 0.0002 1.112 1.045–1.184 0.0008
Platelet number 1.011 0.981–1.039 0.4495 1.020 0.989–1.047 0.2023
PT-INR 2.020 1.238–2.911 0.0007 2.670 1.411–4.737 0.0051
  1. 95% CI 95% confidence interval, HR Hazard ratio, CCI Charlson’s comorbidity index, PT-INR prothrombin time-international normalized ratio