TABLE 2.
Comparison of results of PCRs for one species versus all species performed on heart valves from 126 patients with IE with antibiotic treatment at the time of surgery
| Species | Positive PCR for species/total positive PCR (%) | Negative PCR for species/total negative PCR (%) | P value |
|---|---|---|---|
| Streptococcus spp. and enterococci | 47/76 (62) | 24/50 (48) | 0.13 |
| Streptococcus spp. | 38/76 (50) | 15/50 (30) | 0.047 |
| S. bovis | 18/76 (24) | 8/50 (16) | 0.30 |
| Oral streptococci | 16/76 (21) | 7/50 (14) | 0.32 |
| Enterococci | 9/76 (12) | 8/50 (16) | 0.50 |
| Staphylococcus spp. | 17/76 (22) | 17/50 (34) | 0.15 |
| S. aureus | 13/76 (17) | 8/50 (16) | 0.87 |
| CNS | 4/76 (5) | 9/50 (18) | 0.02 |
| Bartonella spp. | 6/76 (8) | 0 | 0.04 |
| Othersa | 10/76 (13) | 10/50 (20) | 0.30 |
a
Others: Actinobacillus actinomycetans (two cases), Corynebaterium jeikeium, Corynebacterium diphteriae, Proteus mirabilis, Haemophilus spp. (two cases), Streptococcus pneumoniae, Proprionobacterium acnes, Micrococcus spp., Enterobacter cloacae (two cases), E. coli (two cases), Streptococcus β haemolytic (three cases), Streptococcus agalactiae, Neisseria sicca, rastonia.