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Interobserver variability of the neurological optimality score.

W M Monincx¹, H Smolders-de Haas, G J Bonsel

¹Academic Medical Center, Department of Obstetrics and Gynecology, University of Amsterdam, The Netherlands. h.a.zondervan@amc.uva.nl

European Journal of Obstetrics, Gynecology, and Reproductive Biology

|December 10, 1999

Summary

The neurological optimality score shows substantial interobserver variability in newborn infants. This suggests caution is needed when using the score in comparative studies due to inconsistent assessments.

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Area of Science:

Neonatal neurology
Pediatric assessment

Background:

The neurological optimality score is used to evaluate newborn infants.
Assessing interobserver reliability is crucial for clinical scoring systems.

Purpose of the Study:

To evaluate the interobserver reliability of the neurological optimality score in healthy, full-term newborn infants.

Main Methods:

Two trained observers independently assessed the neurological optimality score in 21 healthy newborn infants.
Statistical analysis included interclass correlation coefficient and Kappa statistic.

Main Results:

Low interobserver reliability was found, with an interclass correlation coefficient of 0.31.
Kappa for optimality (score ≥58) was 0.19, indicating poor agreement.

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A systematic difference of 1.3 points was observed between observers.

Conclusions:

Significant interobserver variability exists for the neurological optimality score in newborns.
Subjective judgment of elicited responses impacts score concordance.
A score difference of at least two points is recommended for comparative studies; regular re-instruction is advised for multiple observers.