Systematic review and meta-analysis are two methods, used to summarise scientific evidence in order to inform further research and policy, that are being used with increasing frequency. It is important, therefore, that nurses and other health professionals understand how a systematic review and meta-analysis are carried out, and something of the relationship between the two methods. Systematic review, also known as overview, and meta-analysis can provide concise information for providers, purchasers and patients. However, it is helpful to appreciate when it may, or may not, be appropriate to perform them, as they are often a justification for wide ranging claims made about effectiveness of healthcare interventions.
A postal survey of SLTs in Scotland was conducted. 598 SLTs responded, 194 worked with people aphasic after stroke. A number of obstacles to the provision of the SLT service to aphasic people were identified. SLTs expressed concern about the effectiveness of the treatments they offered, and about factors which may influence effectiveness. A number of suggestions are made for further research into this area including into the problems of competing client groups.
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