Causative organisms detected in 32 cases of paediatric empyema, taking into account culture and PCR results from our centre and the local hospital
| Organisms | 32 samples processed by culture and PCR | Final diagnosis, incorporating microbiology from local hospital | ||
|---|---|---|---|---|
| Method of detection | No. of patients | % of cases | ||
| PCR | Culture | |||
| *One positive culture from local hospital only. | ||||
| †One case was culture positive only at our centre. | ||||
| ‡Only Streptococcus milleri group cultured. | ||||
| Streptococcus pneumoniae | 13 | 1 | 14* | 44 |
| Streptococcus pyogenes | 3 | 1 | 3 | 13 |
| Staphylococcus aureus | 2 | 3† | 3 | 9 |
| Fusobacterium sp | 1 | 0 | 1 | 3 |
| Fusobacterium, Actinomyces, and Peptostreptococcus spp | 1 | 0 | 1 | 3 |
| Streptococcus milleri group, Peptostreptococcus sp (PCR only) | 1 | 1‡ | 1 | 3 |
| No bacterial cause detected | 10 | 26 | 8 | 25 |
| Total | 32 | 32 | 32 | 100 |