- Comparison of QS scores in the 3 groups before and after treatment.
| Groups | Cases | Before treatment | At 1 day after treatment At | 3 months after treatment | At 6 months after treatment |
|---|---|---|---|---|---|
| I | 24 | 0.8±0.7 | 3.1±0.7*,† | 3.3±0.6*,† | 3.4±0.6*,† |
| II | 22 | 0.7±0.7 | 3.1±0.5*,† | 2.9±0.6*,**,† | 3.0±0.7*,**† |
| III | 21 | 1.0±0.6 | 1.8±0.5† | 1.9±0.5† | 1.9±0.5† |
* - p<0.05, compared with group I at the same time point; ** - p<0.05, compared with group III at the same time point. † - indicates the comparison within the same group relative to the value before treatment, p<0.0083. QS - quality of sleep