Research Article
The Elevated Serum Level of IFN-γ in Patients with Failed Back Surgery Syndrome Remains Unchanged after Spinal Cord Stimulation
Table 2
Characteristics of patients and controls.
| | Group 0
| Group 1
| Group 2
| Controls
| Group 0 vs. controls value |
| Age
| | | | | 0,807 | Gender | Female (F) | F: 13 | F: 8 | F: 5 | F: 12 | 0,772 | Male (M) | M: 11 | M: 9 | M: 7 | M: 12 | | Number of operations
| | | | — | — | Time of pain
| | | | — | — |
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