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Table 3 COX univariate analysis

From: AST/ALT ratio as a predictor of mortality and exacerbations of PM/DM-ILD in 1 year—a retrospective cohort study with 522 cases

Variables Readmission within 1 year Need for MV within 1 year Deaths within 1 year
p value HR p value HR p value HR
Sex 0.249   0.530   0.700  
Age, years 0.077   0.042   0.017  
 ≤ 40       
 40–60 (1)       
 > 60 (2)       
Diagnosis 0.028   0.035   0.093  
 DM       
 ADM (1)       
 PM (2)       
OLS 0.102   0.148   0.078  
Comorbidities
 Diabetes mellitus 0.322   0.395   0.608  
 Hypertension 0.353   0.785   0.801  
 Chronic hepatitis B 0.233   0.337   0.998  
HB 0.519   0.062   0.386  
PLT 0.419   0.598   0.377  
WBC 0.05   0.631   0.962  
EO% 0.017   0.001   0.017  
NLR 0.514   < 0.001   < 0.001  
ALB 0.842   < 0.001   < 0.001  
UA/CREA 0.669   0.003   0.013  
AST/ALT 0.003   0.005   < 0.001  
 ≤ 0.91 Reference Reference Reference
 0.91–1.26 (1) 0.225 1.454 0.781 0.857 0.657 1.221
 1.26–1.73 (2) 0.329 1.346 0.469 1.429 0.302 1.554
 > 1.73 (3) 0.001 2.664 0.008 3.195 0.001 3.668
TG 0.011   0.049   < 0.001  
LDL 0.152   0.029   0.149  
CK 0.096   0.082   0.086  
  1. Bold indicates p < 0.1
  2. DM dermatomyosis, CADM clinically asymptomatic dermatomyosis, PM polymyosis, OLS overlap syndrome, MDA5 anti-melanoma differentiation-associated gene 5, HB hemoglobin, PLT platelet count, WBC white blood cell count, EO% percentage of eosinophils, NLR neutrophil/lymphocyte ratio, ALB albumin, UA uric acid, CREA creatinine, TG triglycerides, LDL low-density lipoprotein, CK creatine kinase, MV mechanical ventilation