Table 4 Factors predicting in-hospital^a mortality and mortality within 1 year from admission in 326 episodes of infective endocarditis

Age

   18–64 years

1

   ≥65 years

1.72

1.0–3.03

1.27–3.70

Sex

   Female

1

   Male

1.32

0.67–2.60

0.61–2.10

Etiology

   Staphylococcus aureus

1

   CoNS^c

0.87

0.33–2.26

0.36–2.40

   Viridans streptococci

0.90

0.40–2.03

0.40–1.81

   Enterococcus faecalis

0.36

0.08–1.57

0.16–1.90

   Streptococcus pneumoniae

2.37

0.85–6.59

0.94–7.09

   Other pathogens

0.35

0.08–1.54

0.07–1.36

   Culture negative

0.42

0.17–1.05

0.23–1.13

Affected valves

   Prosthetic

1

   Aortic

1.13

0.48–2.65

0.46–2.19

   Mitral

0.45

0.16–1.31

0.24–1.47

   Tricuspid

1.04

0.22–4.88

0.16–3.35

   Two native valves

3.55

1.49–8.47

1 68–8.34

Echocardiography

   Major Criterion

No

1

Yes

1.43

0. 68–3.00

0.19–5.0

   Vegetation

No

1.

Yes

1.81

0.90–3.68

1.35–5.09

Neurological complications ^d

No

1

Yes

2.17

1.21–3.90

1.34–3.96

Peripheral emboli ^d

No

1

Yes

1.86

1.04–3.33

1.14–3.35

Heart failure ^d

No

1

Yes

5.98

2.35–15.17

3.26–17.83

Serum CRP on admission

   < 100 mg/l

1

   ≥100 mg/l

2.92

1.33–6.40

1.81–8.43