Table 2

Pre- and intraoperative tests.

▪ Preoperative Tests
- Plain radiography
- Haematological screening tests (level of c-reactive protein (>0,5 mg/dl), white blood-cell count (> 12/nl))
- Aspiration

▪ Intraoperative Tests
- Histopathological Evaluation
- Intraoperative Cultures

At least three of these tests had to be positive whereas either positive histopathological evaluation or positive intraoperative cultures had to be included.

Müller et al. Journal of Orthopaedic Surgery and Research 2008 3:31   doi:10.1186/1749-799X-3-31