Table 4 Cox regression analyses to predict 30-day and 6-month mortality

Model: mortality at 30 days

MDA serum levels at first day

1.05

1.02 to 1.09

0.005

Lactic acid levels at first day

1.11

1.06 to 1.16

<0.001

APACHE-II

1.03

1.01 to 1.04

0.007

Diabetes mellitus

1.46

0.97 to 2.22

0.07

Bloodstream infection

0.85

0.49 to 1.48

0.56

Chronic renal failure

1.16

0.61 to 2.21

0.66

Model: mortality at 6 months

MDA serum levels at first day

1.05

1.02 to 1.09

0.003

Lactic acid levels at first day

1.11

1.06 to 1.16

<0.001

APACHE-II

1.02

1.01 to 1.04

0.003

Diabetes mellitus

1.55

1.07 to 2.25

0.02

Bloodstream infection

0.73

0.44 to 1.23

0.23

Chronic renal failure

0.85

0.45 to 1.62

0.63