Table 2 Aetiology obtained from blood- and valve culture among patients with IDU-IE and non-IDU-IE
IDU-IE | Non-IDU-IE | P value | |
|---|---|---|---|
Blood culture resultsa (n (%)) | 144 (87) | 336 (94) | < 0.01 |
Staphylococcus aureus (MSSA) | 110 (67) | 116 (32) | < 0.01 |
Enterococcus faecalis | 14 (8) | 34 (10) | 0.70 |
Viridans group streptococci | 9 (5) | 94 (26) | < 0.01 |
S. aureus (MRSA) | 3 (2) | 3 (1) | 0.39 |
Bacillus cereus | 3 (2) | 0 (0) | – |
CoNS | 2 (1) | 22 (6) | 0.01 |
Group A streptococci | 1 (1) | 1 (0) | 0.53 |
Group B streptococci | 0 (0 | 11 (3) | – |
Group G streptococci | 1 (1) | 6 (2) | 0.44 |
Klebsiella spp | 1 (1) | 0 (0) | – |
Candida spp. | 0 (0) | 1 (0) | – |
Unspecified funghi | 1 (1) | 1 (0) | 0.53 |
Polymicrobial blood cultures | 11 (7) | 7 (2) | < 0.01 |
MSSA and E. faecalis | 4 (2) | 0 (0) | – |
E. faecalis and unspecified funghi | 1 (1) | 0 (0) | – |
MSSA and aerobic gramnegative stave | 1 (1) | 0 (0) | – |
MSSA and candida | 1 (1) | 0 (0) | – |
MSSA and group G streptococci | 1 (1) | 0 (0) | – |
MSSA and unspecified funghi | 1 (1) | 0 (0) | – |
MSSA and viridans group streptococci | 1 (1) | 1 (0) | 0.53 |
Viridans group streptococci and CoNS | 1 (1) | 0 (0) | – |
Blood culture negative | 8 (5) | 19 (5) | 0.82 |
Bacteria in valve culture from cardiac surgery | 9 (5) | 17 (5) | 0.73 |
Staphylococcus aureus (MSSA) | 5 (3) | 7 (2) | 0.53 |
Unspecified funghi | 2 (1) | 1 (0) | – |
CoNS | 1 (1) | 2 (1) | 1.00 |
Enterococcus faecalis | 1 (1) | 2 (1) | 1.00 |