J Back Musculoskelet Rehabil. 2023;36(1):187-198. doi: 10.3233/BMR-210375.
Accuracy studies of biophotogrammetry protocols require standardization similar to radiography.
To estimate the diagnostic accuracy of a biophotogrammetric assessment protocol for cervical hyperlordosis, compared to radiography, and its intra- and inter-examiner reliability for measuring the cervical lordosis angle.
A study of diagnostic accuracy in women complaining of cervical pain. Two photos were taken using the CorelDraw biophotogrammetric protocol and one radiograph using the Cobb C1-C7 method. The Intra- and Inter-examiner reliability was calculated using the Kappa index and the intraclass correlation coefficient (ICC). The Bland-Altman plot and the ROC curve were presented.
The sample consisted of 19 women. The accuracy of biophotogrammetry was 94.73% and the reliability between biophotogrammetry and radiography presented an ICC of 0.84 and a Kappa of 0.87. The excellent intra (ICC = 0.94) and inter-examiner (ICC = 0.86) reliability of the biophotogrammetry was confirmed. The area under the ROC curve was 93.5%. The Bland-Altman plot indicated differences between the two instruments close to the mean (1.5∘).
The biophotogrammetric protocol proved to be accurate in diagnosing cervical hyperlordosis, with excellent reliability between the biophotogrammetric and radiographic assessments. It also demonstrated excellent intra- and inter-examiner reliability in measuring the cervical lordosis angle.
生物摄影测量协议的准确性研究需要类似于放射摄影的标准化。
与放射摄影相比，评估颈椎过度前凸的生物摄影测量协议的诊断准确性，并评估其测量颈椎前凸角度的内部和外部检查者可靠性。
一项针对患有颈椎疼痛的女性的诊断准确性研究。使用 CorelDraw 生物摄影测量协议拍摄两张照片，使用 Cobb C1-C7 方法拍摄一张放射照片。使用 Kappa 指数和组内相关系数（ICC）计算内部和外部检查者的可靠性。介绍了 Bland-Altman 图和 ROC 曲线。
样本由 19 名女性组成。生物摄影术的准确性为 94.73%，生物摄影术与放射摄影术之间的可靠性呈现 ICC 为 0.84，Kappa 为 0.87。生物摄影术具有出色的内部（ICC = 0.94）和外部（ICC = 0.86）可靠性。ROC 曲线下的面积为 93.5%。 Bland-Altman 图表明两个仪器之间的差异接近平均值（1.5∘）。
生物摄影测量协议在诊断颈椎过度前凸方面证明是准确的，生物摄影术和放射摄影术之间的可靠性非常好。它还在测量颈椎前凸角度方面表现出出色的内部和外部检查者可靠性。
