Table 4

Risk factors for mortality from all causes or respiratory failure by day 100 after diagnosis of IPS, N = 69

Univariable analysisMultivariable analysis
HR95% CIPHR95% CIP
Overall mortality       
 Donor type       
  Matched related 1.00   1.00   
  Mismatched related/unrelated 0.48 0.28-0.84 .01 0.54 0.30-0.95 .03 
 Bacteremia/candidemia       
  No 1.00   1.00   
  Yes 2.59 0.92-7.31 .07 3.09 1.06-9.04 .04 
 Steroid dose before diagnosis       
  No 1.00   1.00   
  ≤1 mg/kg 2.25 1.09-4.65 .03 1.75 0.99-3.10 .05 
  >1 mg/kg 2.13 1.15-3.95 .02 
 Steroid dose after diagnosis*       
  ≤2 mg/kg 1.00   1.00   
  >2 mg/kg 2.86 1.07-7.63 .04 3.56 1.18-10.77 .02 
 DAH       
  No 1.00      
  Yes 1.73 0.98-3.06 .06    
 Detected pathogen       
  None 1.00   1.00   
  Established 1.80 0.94-3.43 .08 1.88 1.06-3.34 .03 
  Uncertain 1.78 0.92-3.47 .09 
 Viral load       
  Low 1.00      
  High 0.71 0.32-1.55 .38    
Mortality from respiratory failure       
 Donor type       
  Matched related 1.00   1.00   
  Mismatched related/unrelated 0.48 0.26-0.91 .02 0.54 0.29-1.04 .06 
 Bacteremia/candidemia       
  No 1.00   1.00   
  Yes 3.11 1.09-8.88 .03 3.76 1.25-11.37 .02 
 Steroid dose before diagnosis       
  No 1.00   1.00   
  ≤1 mg/kg 2.99 1.33-6.71 .008 2.20 1.12-4.29 .02 
  >1 mg/kg 2.84 1.40-5.77 .004 
 Steroid dose after diagnosis*       
  ≤2 mg/kg 1.00   1.00   
  >2 mg/kg 4.49 1.29-15.63 .02 6.83 1.50-31.04 .01 
 DAH       
  No 1.00      
  Yes 2.59 1.39-4.83 .003    
 Detected pathogen       
  None 1.00   1.00   
  Established 2.09 0.99-4.43 .05 2.28 1.15-4.52 .02 
  Uncertain 2.24 1.05-4.79 .04 
 Viral load       
  Low 1.00      
  High 0.50 0.20-1.26 .14    
Univariable analysisMultivariable analysis
HR95% CIPHR95% CIP
Overall mortality       
 Donor type       
  Matched related 1.00   1.00   
  Mismatched related/unrelated 0.48 0.28-0.84 .01 0.54 0.30-0.95 .03 
 Bacteremia/candidemia       
  No 1.00   1.00   
  Yes 2.59 0.92-7.31 .07 3.09 1.06-9.04 .04 
 Steroid dose before diagnosis       
  No 1.00   1.00   
  ≤1 mg/kg 2.25 1.09-4.65 .03 1.75 0.99-3.10 .05 
  >1 mg/kg 2.13 1.15-3.95 .02 
 Steroid dose after diagnosis*       
  ≤2 mg/kg 1.00   1.00   
  >2 mg/kg 2.86 1.07-7.63 .04 3.56 1.18-10.77 .02 
 DAH       
  No 1.00      
  Yes 1.73 0.98-3.06 .06    
 Detected pathogen       
  None 1.00   1.00   
  Established 1.80 0.94-3.43 .08 1.88 1.06-3.34 .03 
  Uncertain 1.78 0.92-3.47 .09 
 Viral load       
  Low 1.00      
  High 0.71 0.32-1.55 .38    
Mortality from respiratory failure       
 Donor type       
  Matched related 1.00   1.00   
  Mismatched related/unrelated 0.48 0.26-0.91 .02 0.54 0.29-1.04 .06 
 Bacteremia/candidemia       
  No 1.00   1.00   
  Yes 3.11 1.09-8.88 .03 3.76 1.25-11.37 .02 
 Steroid dose before diagnosis       
  No 1.00   1.00   
  ≤1 mg/kg 2.99 1.33-6.71 .008 2.20 1.12-4.29 .02 
  >1 mg/kg 2.84 1.40-5.77 .004 
 Steroid dose after diagnosis*       
  ≤2 mg/kg 1.00   1.00   
  >2 mg/kg 4.49 1.29-15.63 .02 6.83 1.50-31.04 .01 
 DAH       
  No 1.00      
  Yes 2.59 1.39-4.83 .003    
 Detected pathogen       
  None 1.00   1.00   
  Established 2.09 0.99-4.43 .05 2.28 1.15-4.52 .02 
  Uncertain 2.24 1.05-4.79 .04 
 Viral load       
  Low 1.00      
  High 0.50 0.20-1.26 .14    

All variables in Table 1 were used for the univariable analysis. Only variables with P < .1 are shown in this table. Viral load was shown regardless of P values.

HR, hazard ratio.

*

Peak steroid doses after diagnosis and the peak date were recorded from within 2 weeks after diagnosis.38  These variables are analyzed as time dependent.

This analysis was performed only among 38 patients with viral pathogens.

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