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Table 4 Multivariate logistic regression of first-week mortality with comorbidity adjustment by Pitt

From: Results of an early intervention programme for patients with bacteraemia: analysis of prognostic factors and mortality

Variables β p Relative risk 95% C.I.
Lower Superior
Age 0.028 <0.001 1.028 1.013 1.044
Source of infection
 Present    1.000   
 Absent 1.016 0.004 2.761 1.379 5.528
Treatment modification
 Change to another drug   <0.001 1.000   
 Extension of duration −0.566 0.591 0.568 0.072 4.476
 No change 0.893 <0.001 2.442 1.539 3.874
Pitt
 0–2    1.000   
  ≥ 3 1.948 <0.001 7.014 4.345 11.321