Table 3

- Comparison of QS scores in the 3 groups before and after treatment.

GroupsCasesBefore treatmentAt 1 day after treatment At3 months after treatmentAt 6 months after treatment

* - 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