Shin 1994.
Methods |
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Participants |
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Interventions | Treatment arm
Control arm
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Outcomes |
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Notes |
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Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Random sequence generation (selection bias) | Unclear risk | Study was described as randomised; method of randomisation was not reported |
Allocation concealment (selection bias) | Unclear risk | Insufficient information to permit judgement |
Blinding of participants and personnel (performance bias) All outcomes | High risk | Blinding was not feasible because of the nature of the intervention |
Blinding of outcome assessment (detection bias) All outcomes | Unclear risk | Insufficient information to permit judgement |
Incomplete outcome data (attrition bias) All outcomes | Unclear risk | Insufficient information to permit judgement: No description about the first phase data including missing values |
Selective reporting (reporting bias) | Unclear risk | Insufficient information to permit judgement: The protocol was not available |
Other bias | High risk | Carry‐over effects potentially existed. No description for the assessment of the baseline imbalance of first period of the cross‐over study |