Table 1.
Patient characteristics
| Subject | Age (years) | Gender | Pain duration (yeas) | Current pain intensity (VAS, 0–100) | Pain location | Pain origin | MQS | BDI | SF‐MPQ sensory | SF‐MPQ affective | STAI state | STAI trait | RMDQ | painDETECT |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 67 | m | 30 | 49 | Lumbar | Radiculopathy | 4 | 3 | 13 | 0 | 27 | 27 | 5 | 28 |
| 2 | 54 | f | 10 | 36 | Lumbar | Radiculopathy | 32 | 35 | 8 | 2 | 56 | 54 | 16 | 13 |
| 3 | 64 | f | 8 | 65 | Lumbar | Radiculopathy | 11 | 7 | 11 | 2 | 47 | 37 | 13 | 13 |
| 4 | 41 | m | 2 | 69 | Lumbar, cervical | Radiculopathy, vertebral fracture (traumatic) | 6 | 15 | 16 | 2 | 33 | 36 | 9 | 21 |
| 5 | 74 | m | 15 | 34 | Lumbar | Myelopathy (spinal stenosis) | 7 | 18 | 5 | 2 | 35 | 35 | 12 | 5 |
| 6 | 58 | f | 14 | 69 | Lumbar | Radiculopathy | 19 | 22 | 20 | 7 | 67 | 48 | 17 | 18 |
| 7 | 65 | m | 4 | 64 | Lumbar | Vertebral fracture (osteoporotic) | 4 | 11 | 4 | 0 | 55 | 37 | 6 | 10 |
| 8 | 65 | f | 11 | 24 | Lumbar | Radiculopathy | 6 | 5 | 8 | 0 | 32 | 31 | 10 | 23 |
| 9 | 76 | f | 2 | 56 | Lumbar | Radiculopathy | 4 | 9 | 12 | 2 | 31 | 36 | 12 | 19 |
| 10 | 33 | f | 3 | 60 | Lumbar | Radiculopathy | 9 | 19 | 17 | 3 | 36 | 48 | 16 | 14 |
| 11 | 45 | f | 1 | 71 | Lumbar, cervical | Musculoskeletal | 5 | 20 | 14 | 4 | 50 | 56 | 9 | 6 |
| 12 | 51 | f | 2 | 47 | Lumbar | Radiculopathy | 11 | 22 | 7 | 3 | 61 | 56 | 15 | 16 |
| 13 | 73 | f | 9 | 70 | Lumbar | Radiculopathy | 11 | 21 | 15 | 5 | 44 | 51 | 7 | 25 |
| 4 | 41 | f | 10 | 50 | Lumbar | Musculoskeletal | 13 | 14 | 13 | 3 | 47 | 50 | 8 | 12 |
| 15 | 55 | f | 21 | 89 | Lumbar | Radiculopathy | 24 | 24 | 17 | 9 | 54 | 50 | 18 | 18 |
| 16 | 73 | m | 25 | 45 | Lumbar | Vertebral fracture (traumatic) | 4 | 10 | 9 | 2 | 35 | 35 | 15 | 6 |
| 17 | 46 | m | 30 | 63 | Thoracic | Radiculopathy, scoliosis | 16 | 10 | 10 | 3 | 39 | 41 | 9 | 4 |
| 18 | 50 | m | 5 | 67 | Cervical | Myelopathy (disc herniation) | 0 | 5 | 13 | 4 | 21 | 37 | 4 | 18 |
| 19 | 59 | f | 2 | 53 | Lumbar | Radiculopathy | 12 | 31 | 21 | 10 | 33 | 60 | 9 | 22 |
| 20 | 62 | m | 1 | 54 | Lumbar | Degenerative (spondylarthrosis) | 10 | 26 | 6 | 4 | 59 | 60 | 15 | 21 |
| 21 | 54 | m | 7 | 54 | Lumbar, cervical | Myelopathy (spinal stenosis) | 16 | 18 | 10 | 2 | 30 | 47 | 13 | 16 |
| 22 | 39 | f | 12 | 40 | Cervical | Musculoskeletal | 0 | 12 | 21 | 4 | 44 | 43 | 4 | 19 |
| 23 | 66 | m | 4 | 45 | Lumbar | Degenerative (spondylarthrosis) | 8 | 19 | 7 | 3 | 48 | 46 | 14 | 9 |
| 24 | 57 | m | 25 | 49 | Lumbar | Radiculopathy | 22 | 12 | 17 | 8 | 52 | 51 | 17 | 16 |
| 25 | 52 | m | 25 | 23 | Lumbar | Degenerative (spondylolisthesis) | 11 | 22 | 13 | 5 | 35 | 57 | 9 | 11 |
| 26 | 47 | f | 15 | 32 | Thoracic | Degenerative (spondylarthrosis) | 26 | 19 | 16 | 3 | 49 | 59 | 8 | 12 |
| 27 | 24 | f | 8 | 75 | Lumbar | Degenerative (spondylolisthesis) | 5 | 13 | 13 | 6 | 42 | 46 | 12 | 20 |
| 28 | 59 | f | 15 | 30 | Lumbar | Radiculopathy | 6 | 4 | 13 | 4 | 38 | 43 | 10 | 9 |
| 29 | 82 | m | 5 | 50 | Lumbar | Degenerative (spondylolisthesis), myelopathy (spinal stenosis) | 14 | 21 | 6 | 2 | 51 | 49 | 16 | 7 |
| 30 | 54 | m | 10 | 54 | Lumbar | Radiculopathy | 12 | 17 | 20 | 9 | 44 | 46 | 13 | 20 |
| 31 | 62 | w | 3 | 35 | Lumbar | Degenerative (spondylarthrosis) | 3 | 22 | 7 | 2 | 35 | 48 | 11 | 10 |
| Mean | 56.39 | 10.70 | 52.33 | 10.64 | 16.32 | 12.32 | 3.71 | 42.90 | 45.81 | 11.35 | 14.87 | |||
| Sd | 13.16 | 8.86 | 15.94 | 7.47 | 7.79 | 4.91 | 2.61 | 10.96 | 8.87 | 4.00 | 6.26 |
Note. Abbreviations: BDI = Beck Depression Inventory II; f = female; m = male; MQS = Medication Quantification Scale; SF‐MPQ = short‐form McGill Pain Questionnaire; RMDQ = Roland Morris Disability Questionnaire; STAI = State–Trait Anxiety Inventory; sd = standard deviation; VAS = visual analogue scale; ys = years.
Current pain intensity was assessed by questionnaires completed immediately before the EEG experiment.