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The Development and Validation of DSM 5-Based AIIMS-Modified INDT ADHD Tool for Diagnosis of ADHD: A Diagnostic Test
Sheffali Gulati1, Lokesh Saini1, Jaya Shankar Kaushik1
1Child Neurology Division, Department of Pediatrics, All India Institute of Medical Sciences, Delhi, India.
Background:
The current study was planned at a tertiary centre in northern India to develop and validate a Diagnostic and Statistical Manual-5 (DSM-5)-based diagnostic tool and design a severity score for attention deficit hyperactivity disorder (ADHD) in children aged 6-18 years. An existing DSM-IV-based tool, INDT (International Clinical Epidemiology Network [INCLEN] diagnostic tool) for ADHD has been modified and named All India Institute of Medical Sciences (AIIMS)-modified INDT ADHD tool.
Method:
The first phase was development of the tool and the second phase was validation of the same against the gold standard of diagnosis by the DSM-5. A severity score was developed for ADHD in concordance with the Conners rating scale.
Results:
The tool was validated in 66 children with a sensitivity and specificity of 100 per cent and 90 per cent, respectively. A cut-off score of 12 was decided for labelling severity of ADHD, which corresponded to 63 in the Conners rating scale.
Conclusion:
This diagnostic tool for ADHD based on DSM-5 has acceptable psychometric properties. The severity score will be useful for prognostication, monitoring treatment response, and designing intervention trials.
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