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Table 2 Subgroup analysis of all studies based on study setting, sex of the participants, tools used measure ADHD, subtypes of ADHD, and study quality

From: Epidemiology of attention-deficit/hyperactivity disorder (ADHD) in children and adolescents in Africa: a systematic review and meta-analysis

SubgroupsStudies, nPrevalence (%)95% CIHeterogeneity between groups (P value)
Setting    
 Community based97.195.59–9.190.439
 Hospital based38.745.66–13.27
Gender    
 Males710.609.05–12.38 < 0.001
 Females75.204.38–6.36
Subtype of ADHD    
 Inattentive82.952.23–3.890.539
 Hyperactive82.771.67–4.57
 Combined82.442.01–2.96
Inattentive type by sex    
 Males64.053.11–5.270.004
 Females62.211.61–3.03
Hyperactive type by sex    
 Males63.611.88–6.820.062
 Females61.500.78–2.87
Combined type by sex    
 Males53.632.87–5.87 < 0.001
 Females51.521.11–2.08
Quality of studies    
 High107.045.61–8.790.041
 Moderate and poor211.257.61–16.33
Tools used to measure ADHD    
 DSM26.815.67–8.150.476
 Other107.625.92–9.75