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AIM: results. METHODS: . We exclude methods not suitable for postage. Electronic databases of MEDLINE, Embase, CINAHL, Web of Science, Google Scholar and OpenGrey were searched from inception to September 2021, as well as relevant conference abstracts. Two reviewers performed study selection, data extraction and risk of bias assessment independently. Narrative synthesis was performed. RESULTS: were smaller and narrower respectively when micro/capillary tubes (micro/cap) were used for capillary blood storage compared to dried blood spots (capDBS) (micro/cap MD range -0.4 to 1.4 mmol/mol vs. capDBS MD range -4.3 to 7.2 mmol/mol, micro/cap LoA width 2.4 to 6 mmol/mol vs. capDBS LoA width 11.7 to 16.8 mmol/mol). After using self-collection kits, 83%-96% of participants reported satisfaction, 87%-99% found it easy and 69%-94% reported they would use it again. CONCLUSION: based on the accuracy and reliability findings presented. DBS samples demonstrated comparatively poorer accuracy. Data on acceptability were limited and further research is needed.
Colley et al. (Fri,) studied this question.