Table 5. Characteristics of the Patients in the Full Analysis Set.
| Characteristic | No. (%) |
|---|---|
| Total | 451 |
| Age (yr) | |
| Mean ± standard deviation | 60.52 ± 13.18 |
| Median (range) | 61 (20–95) |
| Age group | |
| 20s | 11 (2.44) |
| 30s | 13 (2.88) |
| 40s | 64 (14.19) |
| 50s | 118 (26.16) |
| 60s | 120 (26.61) |
| 70s | 102 (22.62) |
| 80s | 21 (4.66) |
| ≥ 90s | 2 (0.44) |
| Diagnosis | |
| Low back pain | 125 (27.72) |
| Spinal stenosis | 98 (21.73) |
| Osteoarthritis | 57 (12.64) |
| Postsurgical neuropathic pain | 22 (4.88) |
| Posttraumatic neuropathic pain | 17 (3.77) |
| Failed back surgery syndrome | 17 (3.77) |
| Spinal cord injury | 14 (3.10) |
| Rotator cuff tear | 12 (2.66) |
| Complex regional pain syndrome | 10 (2.22) |
| Diabetic neuropathy | 5 (1.11) |
| Post-stroke pain | 2 (0.44) |
| Postherpetic neuralgia | 1 (0.22) |
| Others | 71 (15.74) |