Table 1.
Clinical characteristics and surgical parameters of 11 patients
| Case nuber | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Average |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gender | Male | Male | Male | Female | Male | Male | Male | Male | Male | Male | Male | — |
| Age (years) | 69 | 69 | 63 | 62 | 40 | 70 | 50 | 52 | 61 | 69 | 63 | 60.7 ± 9.61 |
| Symptom | Back pain | Back pain | Radicular pain | Back pain | Back pain | Radicular pain | Radicular pain | Back pain | Back pain | Radicular pain | Back pain | — |
| Level | L2/ 3 | L2/ 3 | L3/ 4 | L2/ 3 | T12/L1 | T12/L1 | L4/ 5 | L3/4 | L4/5 | L4/5 | L4/5 | — |
| Mircrobiology | Streptococcus | Streptococcus | Streptococcus | — | Staphylococcus aureus | — | — | — | — | — | — | — |
| Surgery(min) | 305 | 200 | 180 | 240 | 357 | 80 | 280 | 115 | 145 | 155 | 330 | 217.0 ± 91.91 |
| Blood Loss(mL) | 500 | 150 | 30 | 150 | 300 | 200 | 500 | 200 | 20 | 80 | 300 | 220.9 ± 166.1 |
| Neuroelectrophysi‐ological monitoring abnormility | — | — | MEP change | — | — | — | SSEP change | — | — | — | — | — |
| Complication | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | — |
| Follow‐up (months) | 20 | 15 | 24 | 19 | 14 | 24 | 14 | 18 | 13 | 20 | 20 | 18.3 ± 3.88 |
| Duration Of inflammation biomarker returned to normal (weeks) | 10 | 10 | 11 | 12 | 6 | 8 | 10 | 9 | 6 | 7 | 8 | 8.8 ± 1.99 |
NA, not applicable; MEP, motor evoked potentials; SEP, somatosensory evoked potential.