Scoliosis Screening for Students from Primary and Junior Schools Using Electronic Devices: An Exploratory Study

Shuaiqi Zhu*, Chong Zhao*, Yuqiao Li, Yanhui Dong, Yongping Zheng, Derk Yang, Jinying Zhang, Haiying Liu*, Shuai Xu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Study Design An exploratory study Objective The purpose of this study is to investigate the prevalence of scoliosis in Linxia Prefecture, Gansu Province, China, and to explore the characteristics of electronic devices in scoliosis school screening (SSS). Summary of Background Data Forward bend test and Scoliometer are common methods for SSS. The advantages of 3-Dimensional (3D) ultrasound system in SSS have been reported before. While there is a paucity of evidence to compare manual Scoliometer (M-Scoliometer) with electronic Scoliometer (E-Scoliometer) and the correlation between angle of trunk rotation (ATR) and ultrasound Cobb angle (UCA) is uncertain. Methods More than 27000 students in Linxia Prefecture, Gansu Provinace, China, were screened using manual and electronic Scoliometer. Specifically, some students were screened before and after spinal motion test. Besides, one out of every three positive examinees would have his UCA measured. Their basic information and measurement results were recorded analyzed. Results A total of 27532 students were included whose informed consent forms were signed by their parents. The overall positive rate of primary screening was 2.27% (girls, 2.64%; boys, 1.91%; P<0.001). There were no significant differences in positive rate between M-Scoliometer and E-Scoliometer (P=0.657). The screening speed of M-Scoliometer was slower than that of E-Scoliometer (36.53s vs 19.19s, P=0.002). One-third positive students became negative after spinal motion test. Compared with the E-Scoliometer group, the proportion of scoliosis in the M-Scoliometer group was higher in degree Ⅰ (P=0.046) and lower in degree Ⅱ and Ⅲ (P=0.01, P=0.278). Moderate correlations were found between ATR and UCA (R2=0.245). Conclusions The overall positive rate of primary screening in this study is basically consistent with previous studies. We found that electronic Scoliometer is as accurate as manual Scoliometer, yet faster and more convenient. Besides, a moderate correlation exists between ATR and UCA. We believe that the introduction of electronic devices will make scoliosis screening radiation-free, more convenient and efficient.

Original languageEnglish
JournalSpine
DOIs
Publication statusAccepted/In press - 2025
Externally publishedYes

Keywords

  • 3D Ultrasound Imaging Systems
  • Adolescent Idiopathic Scoliosis (AIS)
  • Angle of Trunk Rotation (ATR)
  • Electronic Devices
  • Incorrect Posture
  • Positive Rate
  • Scoliometer
  • Scoliosis School Screening (SSS)
  • Spinal Motion Test

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