A suggestion for quality assessment in systematic reviews of observational studies in nutritional epidemiology
OBJECTIVES: It is important to control the quality level of the observational studies in conducting meta-analyses. The Newcastle-Ottawa Scale (NOS) is a representative tool used for this purpose. We investigated the relationship between high-quality (HQ) defined using NOS and the results of subgroup...
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Format: | Article |
Language: | English |
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Korean Society of Epidemiology
2016-04-01
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Series: | Epidemiology and Health |
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Online Access: | http://www.e-epih.org/upload/pdf/epih-38-e2016014.pdf |