INCLEN diagnostic tool for attention deficit hyperactivity disorder (INDT-ADHD): development and validation |
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Authors: | Sharmila Mukherjee Satinder Aneja Paul S. S. Russell Sheffali Gulati Vaishali Deshmukh Rajesh Sagar Donald Silberberg Vinod K. Bhutani Jennifer M. Pinto Maureen Durkin Ravindra M. Pandey M. K. C. Nair Narendra K. Arora |
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Affiliation: | 1. The INCLEN Trust International, F1/5, Okhla Industrial Area, Phase-1, New Delhi, India
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Abstract: | Objective To develop and validate INCLEN Diagnostic Tool for Attention Deficit Hyperactivity Disorder (INDT-ADHD). Design Diagnostic test evaluation by cross sectional design. Setting: Tertiary care pediatric centers. Participants 156 children aged 65–117 months. Methods After randomization, INDT-ADHD and Connor’s 3 Parent Rating Scale (C3PS) were administered, followed by an expert evaluation by DSM-IV-TR diagnostic criteria. Main outcome measures Psychometric evaluation of diagnostic accuracy, validity (construct, criterion and convergent) and internal consistency. Results INDT-ADHD had 18 items that quantified symptoms and impairment. Attention deficit hyperactivity disorder was identified in 57, 87 and 116 children by expert evaluation, INDT-ADHD and C3PS, respectively. Psychometric parameters of INDT-ADHD for differentiating attention deficit hyperactivity disorder and normal children were: sensitivity 87.7%, specificity 97.2%, positive predictive value 98.0% and negative predictive value 83.3%, whereas for differentiating from other neuro-developmental disorders were 87.7%, 42.9%, 58.1% and 79.4%, respectively. Internal consistency was 0.91. INDT-ADHD has a 4-factor structure explaining 60.4% of the variance. Convergent validity with Conner’s Parents Rating Scale was moderate (r =0.73, P= 0.001). Conclusions INDT-ADHD is suitable for diagnosing attention deficit hyperactivity disorder in Indian children between the ages of 6 to 9 years. |
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