Independent risk factors associated with mortality at 30 days (multivariate analysis made by Cox regression).

<p>Independent risk factors associated with mortality at 30 days (multivariate analysis made by Cox regression).</p

Mortality rates at 30 days.

<p>Mortality rates at 30 days.</p

Kaplan-Meier 30-day survival curve according to chronic renal failure.

<p>P = 0.02 (log-rank test).</p

Baseline characteristics of patients.

<p>Baseline characteristics of patients.</p

Kaplan-Meier 30-day survival curve according to inadequate antibiotic treatment.

<p>P<0.01 (log-rank test).</p

Independent risk factors associated with mortality at 30 days (multivariate analysis made by Cox regression).

<p>Independent risk factors associated with mortality at 30 days (multivariate analysis made by Cox regression).</p

Kaplan-Meier 30-day survival curve according to Charlson index>3.

<p>P = 0.02 (log-rank test).</p

Kaplan-Meier 30-day survival curve according to severe sepsis or shock.

<p>P<0.01 (log-rank test).</p

Kaplan-Meier 30-day survival curve according to diabetes mellitus.

<p>P = 0.04 (log-rank test).</p