Background:
Scoliosis is a three-dimensional deformity of the spine that is commonly assessed through measuring the Cobb angle.
An Innovative Journal in the Field of Radiology
e-ISSN 2008-2711
p-ISSN 1735-1065
Cobb Angle Measurement Decision Support System of Radiography Images in Patients with Idiopathic Scoliosis
Authors
Nazila Moftian
1, Taha Samad Soltani2, Zahra Salahzadeh3, Hojjat Hossein Pourfeizi4, Yousef Gheibi5, Amir Fazlollahi6, Peyman Rezaei Hachesu2,*
1, Taha Samad Soltani2, Zahra Salahzadeh3, Hojjat Hossein Pourfeizi4, Yousef Gheibi5, Amir Fazlollahi6, Peyman Rezaei Hachesu2,*1Department of Health Information Technology, Faculty of Management and Medical Informatics, Student Research Committee (SRC),Tabriz University of Medical Sciences, Tabriz, Iran
2Department of Health Information Technology, Faculty of Management and Medical Informatics, Tabriz University of Medical Sciences, Tabriz, Iran
3Department of Physiotherapy, Faculty of Rehabilitation, Tabriz University of Medical Sciences, Tabriz, Iran
4Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
5Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran
6Australian eHealth research center, Health and Biosecurity, CSIRO, Brisbane, Australia
*Corresponding Author: Department of Health Information Technology, Faculty of Management and Medical Informatics, Tabriz University of Medical Sciences, Tabriz, Iran. Email: [email protected]
Published online:Dec 08, 2019
Article type:Abstract
Received:Oct 26, 2019
Accepted:Dec 08, 2019
How to Cite:Moftian N, Samad Soltani T, Salahzadeh Z, Hossein Pourfeizi H, Gheibi Y, et al. Cobb Angle Measurement Decision Support System of Radiography Images in Patients with Idiopathic Scoliosis. I J Radiol. 2019;16(Special Issue):e99150. doi: https://doi.org/10.5812/iranjradiol.99150
Abstract
Objectives:
In this study, a Cobb angle measurement decision support system (CaMDSS) was presented to provide a repeatable and reproducible procedure for Cobb angle measurement in idiopathic scoliosis patients.
Methods:
We used the OpenCV and the Numpy library for image processing and system design. A series of 98 anterior-posterior radiographs from patients diagnosed with idiopathic scoliosis were used to assess the repeatability and reproducibility of CaMDSS. Five independent observers performed the measurements, and each image was analyzed by each observer three times with a minimum interval of two weeks between measurements. Both the intra- and inter-observer reliability were obtained using the single measure intraclass correlation coefficient (ICC) value. The mean absolute difference (MAD) and the standard error measurement (SEM) were calculated for all corresponding intra- and inter-observer reliability estimates.
Results:
Statistical results for the inter-observer analysis showed that the MAD between manual and CaMDSS was less than 3º, and the ICCs ranged from 0.94 to 0.99. The combined SEM between all five observers for intra-observer measurements of the manual method and CaMDSS was 1.79º and 1.27º, respectively. The inter-observer reliability of CaMDSS was excellent as the ICC value of 0.97 with 95% CI was obtained. The CaMDSS mean absolute difference was 2.18 ± 2.01 degrees.
Conclusion:
Our study showed CaMDSS was an efficient and reliable method to assess the scoliotic curvature in Thoraco-Lumbar standing radiographs with the possibility of expediting clinic visits, ensuring the reliability of calculation, and decreasing the patient’s exposure to radiation.
Copyright
Copyright © 2019, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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