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Baseline characteristics of 43 patients with MFP within masseter muscles included in the study.
| Group I | Group II | Group III | |
|---|---|---|---|
| Male/female, n | 5/10 | 5/8 | 7/8 |
| Age (years) | 37.2 ± 4.97 | 42.8 ± 0.98 | 40.3 ± 1.18 |
| Duration of myofascial pain (weeks), mean (SD) | 30.2 ± 31.48 | 34.3 ± 29.26 | 38.3 ± 26.47 |
| Bilateral involvement of myofascial pain (number of patients) | 2 | 1 | 0 |
