Table 6 Crude and adjusted odds ratios for 28-day mortality

Blood cultures

 Negative

Reference

Reference

 Positive

1.50(0.85–2.64)

1.16(0.63–2.15)

Gram staining

 Negative blood culture

Reference

Reference

 Gram-negative

1.27(0.56–2.90)

1.03(0.43–2.49)

 Gram-positive

2.58(1.14–5.83)

2.00(0.80–5.03)

Number of pathogens

 1

Reference

Reference

 > 1

5.94(1.90–18.6)

3.70(1.02–13.40)

Pathogens

 Escherichia coli

0.22(0.03–1.60)

0.16(0.02–1.21)

 Klebsiella pneumoniae

1.13(0.14–9.10)

0.79(0.09–6.82)

 Staphylococcus aureus

9.43(2.31–38.44)

6.30(1.33–29.80)

 Streptococcus pneumoniae

2.48(0.86–7.65)

2.16(0.60–7.77)

 Enterobacter spp.

3.68(0.70–19.27)

2.08(0.32–14.30)

 Other^b

3.67(1.65–8.18)

3.88(1.34–9.79)