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Implementation and statistical evaluation of a web-based software for bone age assessment.

Metin Yildiz¹, Albert Guvenis, Esra Guven

¹Pediatric Endocrine Department, Göztepe Teaching and Research Hospital, Istanbul, Turkey.

Journal of Medical Systems

|August 13, 2010

Summary

A new web-based system for bone age assessment using the Tanner and Whitehouse method offers higher precision and faster results compared to traditional methods. This digital tool improves accuracy in evaluating pediatric growth disorders.

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Area of Science:

Pediatric Endocrinology
Medical Imaging Analysis
Health Informatics

Background:

Bone age assessment is crucial for diagnosing pediatric growth disorders, typically using hand radiographs.
Current methods, like the Greulich and Pyle method, are time-consuming and can have significant intra-observer variability.
There is a need for more precise and efficient tools in pediatric endocrine departments.

Purpose of the Study:

To implement and evaluate a web-based software for bone age assessment using the Tanner and Whitehouse method.
To compare the precision and feasibility of the web-based system against conventional manual methods.
To assess the system's performance in a real-world clinical setting within a pediatric endocrine department.

Main Methods:

Development and implementation of a web-based Tanner and Whitehouse bone age assessment system.

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Statistical comparison of measurement methods to evaluate system performance.

Time study to determine the average net time for age assessment.

Evaluation of intra-observer variation for both the web-based and manual methods.

Main Results:

The web-based Tanner and Whitehouse method demonstrated smaller intra-observer variation (-0.45 to 0.37) compared to the conventional Greulich and Pyle method (-0.77 to 0.97).
The average net time required for bone age assessment using the web-based system was 2.4 minutes.
The system proved feasible for clinical use in a pediatric endocrine setting processing 600-1,000 radiographs annually.

Conclusions:

The web-based bone age assessment system offers higher precision and a lower turnaround time, making it suitable for clinical adoption.
The system is particularly beneficial for cases requiring serial readings on the same patient.
The statistical evaluation methodology used in this study can be applied to assess similar biomedical parameter software.