| Previous treatment | Frequency | Percent |
| Analgesics only | 20 | 51.3 |
| Analgesics + Physiotherapy | 13 | 33.3 |
| Analgesics + Epidural injection | 1 | 2.6 |
| Analgesics + Traditional treatment | 3 | 7.7 |
| Analgesics + Physiotherapy + Traditional treatment | 2 | 5.1 |
| Total | 39 | 100 |