Table 1.
Full inclusion and exclusion criteria.
Fig 1.
PRISMA study flow chart.
Table 2.
Characteristics of included studies.
Fig 2.
Risk of bias assessment using bespoke checklist based on Scottish Intercollegiate Guidelines Network and the Critical Appraisal Skills Programme checklists.
Fig 3.
Forest plot of study diagnostic odds ratios grouped by developmental domain of the initial assessment.
ASQ, Ages and Stages Questionnaire; CDI, The Danish Communicative Development Inventories; SDQ H/I, Strength and Difficulties Questionnaire Hyperactivity/Inattention score; GCSE, General Certificate of Secondary Education.
Table 3.
Study results.
Fig 4.
Scatter plots of diagnostic odds ratios, sensitivity and specificity versus age in months at initial assessment and latency between initial assessment and school assessment in months.
Data are from the studies included in Table 3.1. Diagnostic odds ratios versus study quality and study size are also assessed. Linear regression is demonstrated with p values (results < 0.05 in bold) and R2 values for goodness-of-fit indicated.