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Related Experiment Video

Updated: Jan 16, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

Developmental screening at 18 months using the Nipissing District Developmental Screen.

Cornelia M Borkhoff^1,2, Haris Imsirovic³, Imaan Bayoumi^3,4

¹Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario.

Paediatrics & Child Health

|October 6, 2025

Summary

This summary is machine-generated.

The Nipissing District Developmental Screen (NDDS) shows inadequate sensitivity and specificity for identifying developmental delays in 18-month-old children. Its high false positive rate makes it unreliable for routine developmental screening.

Keywords:

Child development Developmental delay Primary care Screening

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Published on: January 23, 2017

Area of Science:

Pediatrics
Developmental Pediatrics
Health Services Research

Background:

The Canadian Paediatric Society recommends developmental screening at 18 months.
The Nipissing District Developmental Screen (NDDS) is a commonly used tool for this purpose.
This study evaluates the NDDS's effectiveness in average-risk children.

Purpose of the Study:

To assess the predictive validity of the NDDS in average-risk children.
To examine the association between positive NDDS screening and healthcare utilization (HCU).

Main Methods:

Prospective study design with 802 children screened at 18 months.
NDDS results linked to health administrative data for HCU.
Screening test properties calculated using neurodevelopmental consultation as the criterion.

Main Results:

35.5% of children screened positive on the NDDS.
Sensitivity was 50%, specificity 65%, with a 35% false positive rate.
A positive NDDS was not significantly associated with most types of HCU.

Conclusions:

The NDDS demonstrates inadequate sensitivity and specificity for 18-month developmental screening.
The high false positive rate is a significant concern.
Alternative screening tools with better performance characteristics are needed.