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| Variables | Experimental group (N =10) | Control group (N =10) | |
| Osteoarthrosis a | Grade 2 (Mild) | 1 | 0 |
| Grade 3 (Moderate) | 9 | 10 | |
| Symptoms b | Local | 2 | 1 |
| Referral | 4 | 3 | |
| Radicular | 4 | 6 |
a According to the radiography result
bAccording to the patient's reports
