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Demographic data of four groups
| Groups | Mean age (years) | Mean BMI | Mean duration of symptoms (weeks) |
|---|---|---|---|
| 1 | 44.4 ± 9.4 | 23.8 ± 1.3 | 23.0 ± 27.4 |
| 2 | 41.5 ± 10.9 | 24.1 ± 1.1 | 27.4 ± 39.4 |
| 3 | 46.4 ± 11.9 | 24.2 ± 1.1 | 32.5 ± 46.1 |
| 4 | 41.5 ± 10.3 | 23.7 ± 1.4 | 26.2 ± 35.2 |
| ‘p’ value | 0.149 | 0.198 | 0.737 |
