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  • Title: Development and validation of Trivandrum Development Screening Chart for children aged 0-6 years [TDSC (0-6)].
    Author: Nair MK, Nair GS, George B, Suma N, Neethu C, Leena ML, Russell PS.
    Journal: Indian J Pediatr; 2013 Nov; 80 Suppl 2():S248-55. PubMed ID: 24014206.
    Abstract:
    OBJECTIVE: To develop and validate a simple screening tool for identifying developmental delay among children of 0-6 y of age in the community. METHODS: The 51-items of Trivandrum Development Screening Chart for children of 0-6 y [TDSC (0-6 y)], were carefully prepared from the norms in various existing developmental charts/scales, by experts keeping in mind the face validity and content validity. The criterion validity was assessed in a community sample of 1,183 children of 0-6 y with a mean age of 35.38 mo (SD of 19.25) including 597 (50.46%) boys and 586 (49.54%) girls. TDSC (0-6 y) was validated against Denver Developmental Screening Test (DDST) as the 'Reference Standard'. RESULTS: When one item delay in TDSC (0-6 y) was considered as 'TDSC delay' (test positive), the sensitivity and specificity of TDSC (0-6 y) was found to be 84.62% (95% CI: 71.92-93.12) and 90.8% (95% CI: 88.97-92.43) respectively with a Negative Predictive Value of 99.23% (95% CI: 98.48-99.67) and LR (negative) of 0.17(95% CI: 0.09-0.32). The test-retest and inter-rater reliability [an interclass correlation (ICC) of 0.77 for test-retest and ICC of 0.97 for inter-rater] were good and acceptable. CONCLUSIONS: TDSC (0-6 y) is a simple, reliable and valid screening tool for use in the community to identify children between 0 and 6 y with developmental delay, enabling early intervention practices.
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