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| Quality components | Yes/No (1/0) | Factors of the quality |
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| Background and aim | | a thorough research of related literature has been done and described well in the background of the study |
| | illustrated significance of the study has been mentioned |
| | clear aim of the study has been included |
|
| Design | | number of the groups in the study |
| | blinding of the study |
| | baseline for the targeted measurement has been developed |
| | sample size was appropriate to answer the question of the study |
|
| Subjects | | recruitment of subjects was illustrated clearly and following a strategy that is appropriate for the design |
| | the inclusion and exclusion criteria of the subjects stated clearly |
| | Adherence of the patients to the suggested protocol |
| | withdrawal percentage of subjects from the sample size before statistical analysis does not affect the statistical analysis of the study |
| | groups in the study were from similar environments |
|
| Intervention | | treatment protocol was described clearly |
| | treatment is equal for all subjects |
| | treatment efficacy was measured precisely |
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| Outcome | | the outcome of the study was illustrated clearly |
| | supported for clinical importance with validity and reliability |
| | follow up period to measure the persistence of the effects after the intervention |
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| Analysis | | statistical analysis is well illustrated and suitable to measure the efficiency of the treatment |
| | the statistical analysis has been supported by mention of the significance of the intervention (p-value) |
|
| The study is replicable | | The study is replicable by other researchers because of availability of the previous factors |
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| Recommendation and conclusion | | Recommendation and conclusion of the study were stated clearly and related to the results of the study |
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