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