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Table 2 Quality/risk of bias criteria for sample identification, confirmation of syndrome and ASD assessment

From: Autism spectrum disorder in females with fragile X syndrome: a systematic review and meta-analysis of prevalence

  1. aWhere individuals were recruited as part of a larger ongoing study, if the recruitment strategy of this study is described, this is coded. If not described, it is coded as 1 by default, indicating the sample has come from one source (i.e. the larger ongoing study)