Table 4.
Causative Pathogens of Pyogenic Vertebral Osteomyelitis in Patients With or Without Spinal Procedures
| Organism | Patients With Previous Spinal Procedures (n = 128) | Patients Without Previous Spinal Procedures (n = 458) | P Value |
|---|---|---|---|
| S. aureus | 48 (37.5) | 207 (45.2) | .120 |
| MSSA | 33 (25.8) | 124 (27.1) | .770 |
| MRSA | 15 (11.7) | 83 (18.1) | .086 |
| MSCNS | 3 (2.3) | 9 (2.0) | .730 |
| MRCNS | 11 (8.6) | 8 (1.7) | .001 |
| Enterococcus spp. | 6 (4.7) | 16 (3.5) | .598 |
| Streptococcus spp. | 28 (21.9) | 90 (19.7) | .579 |
| G(-) bacilli | 23 (18.0) | 107 (23.4) | .194 |
| Anaerobes | 3 (2.3) | 8 (1.7) | .712 |
| Polymicrobial | 1 (0.8) | 8 (1.7) | .692 |
| Other | 5 (3.9) | 5 (1.1) | .045 |
Data are presented as No. (%) of patients unless otherwise indicated.
Abbreviations: MRCNS, methicillin-resistant coagulase-negative Staphylococcus; MRSA, methicillin-resistant Staphylococcus aureus; MSCNS, methicillin-sensitive coagulase-negative Staphylococcus; MSSA, methicillin-sensitive Staphylococcus aureus.