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Table 4 Data extraction criteria by evidence type

From: Wheelchair interventions, services and provision for disabled children: a mixed-method systematic review and conceptual framework

Intervention evidence Aims, objectives, hypotheses, study type, methodology, randomisation details, number of groups, number in each group, number completed in each group, data collection time points, participant characteristics, participant age range, type of intervention(s), inclusion/exclusion criteria, country/ethnicity, baseline characteristics, content of intervention(s), duration of intervention(s), control intervention(s), follow-up period, outcomes and measures, narrative summary of findings (including statistical significance, confidence intervals and effect size), identified themes/concepts.
Opinion evidence Aims, objectives, hypotheses, study type, methodology, number of study groups, number in each group, number completed in each group, data collection time points, participant characteristics, participant age range, type of intervention(s), inclusion/exclusion criteria, country/ethnicity, follow-up period, narrative summary of findings, identified themes/concepts.
Policy/NFPO literature Type of publication, topic, aims, objectives, related conditions and disabilities, age range of affected individuals/target audience, related interventions, narrative summary of recommendations and guidance.
Economic evidence Perspective, aims, objectives, hypotheses, study type/methodology, price year/currency, randomisation details, number of groups, number in each group, number completed in each group, data collection time points, measure of benefit, participant characteristics, participant age range, type of intervention(s), inclusion/exclusion criteria, country/ethnicity, baseline characteristics, content of intervention(s), duration of intervention(s), control intervention(s), follow-up period, outcomes and measures, narrative summary of findings (including statistical significance, confidence intervals and effect size), identified economic costs and implications, cost per QALY/Incremental cost-effectiveness ratio conclusions, inflated (2012) cost per QALY/Incremental cost-effectiveness ratio conclusions.