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abstractpubmed· Abstract 2016· item PMID:27029695

Language Evaluation Scale Trivandrum (LEST 3-6 years) Development and Validation. Language Evaluation Scale Trivandrum (LEST:3-6 years) with 31-items, was validated against extended REELS with a community sample-606 children (3-6yrs). One item and two item delay as LEST delay showed a sensitivity of (81%, 47%); specificity (68%, 94%), PPV (12%, 31%); NPV (98%, 97%) and accuracy (68.5%, 92%), respectively. LEST (3-6years) is a simple, valid, community screening tool.