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Abstract：
UNASSIGNED: The EOS-imaging system is increasingly adopted for clinical follow-up in scoliosis with the advantages of simultaneous biplanar imaging of the spine in an erect position. Skeletal maturity assessment using a hand radiograph is an essential adjunct to spinal radiography in scoliosis follow-up. This study aims at testing the feasibility and validity of a newly proposed EOS workflow with sequential spine-hand radiography for skeletal maturity assessment and bracing recommendation.
UNASSIGNED: EOS spine-hand radiographs from patients with diagnosis of idiopathic scoliosis, including both sexes and an age range of ten to 14 years, were scored using the Thumb Ossification Composite Index (TOCI), Sanders and Risser methods. Intraclass correlation coefficients (ICCs) were calculated for inter/intraobserver agreement and were tested with Cronbach\'s alpha values.
UNASSIGNED: In all, 60 EOS-spine hand radiographs selected from subjects with diagnosis of adolescent idiopathic scoliosis (AIS), including 32 male patients (mean age 11.53 years; 10 to 14) and 28 female patients (mean age 11.50 years; 10 to 13) who underwent sequential spine-hand low dose EOS imaging were generated for analysis. The overall interobserver (ICC = 0.997) and intraobserver agreement (α > 0.9) demonstrated excellent agreement for TOCI staging; ICC > 0.994 for both TOCI and Sanders staging comparing traditional digital versus EOS hand radiography; ICC ≥ 0.841 for agreement on bracing recommendation among TOCI versus the Risser and Sanders system.
UNASSIGNED: With the proposed new EOS workflow it was feasible to produce high image quality for skeletal maturity assessment with excellent reliability and validity to inform consistent bracing recommendation in AIS. The workflow is applicable for busy daily clinic settings in tertiary scoliosis centres with reduced time cost, improved efficiency and throughput of the radiology department.
UNASSIGNED: III.
UNASSIGNED: EOS spine-hand radiographs from patients with diagnosis of idiopathic scoliosis, including both sexes and an age range of ten to 14 years, were scored using the Thumb Ossification Composite Index (TOCI), Sanders and Risser methods. Intraclass correlation coefficients (ICCs) were calculated for inter/intraobserver agreement and were tested with Cronbach\'s alpha values.
UNASSIGNED: In all, 60 EOS-spine hand radiographs selected from subjects with diagnosis of adolescent idiopathic scoliosis (AIS), including 32 male patients (mean age 11.53 years; 10 to 14) and 28 female patients (mean age 11.50 years; 10 to 13) who underwent sequential spine-hand low dose EOS imaging were generated for analysis. The overall interobserver (ICC = 0.997) and intraobserver agreement (α > 0.9) demonstrated excellent agreement for TOCI staging; ICC > 0.994 for both TOCI and Sanders staging comparing traditional digital versus EOS hand radiography; ICC ≥ 0.841 for agreement on bracing recommendation among TOCI versus the Risser and Sanders system.
UNASSIGNED: With the proposed new EOS workflow it was feasible to produce high image quality for skeletal maturity assessment with excellent reliability and validity to inform consistent bracing recommendation in AIS. The workflow is applicable for busy daily clinic settings in tertiary scoliosis centres with reduced time cost, improved efficiency and throughput of the radiology department.
UNASSIGNED: III.
摘要：
■EOS-成像系统越来越多地用于脊柱侧凸的临床随访，其优点是在直立位置对脊柱进行同时双平面成像。在脊柱侧凸随访中，使用手部X线片评估骨骼成熟度是脊柱X线摄影的重要辅助手段。这项研究旨在测试新提出的EOS工作流程的可行性和有效性，该工作流程具有连续的脊柱-手部X射线照相术，用于骨骼成熟度评估和支撑建议。
■诊断为特发性脊柱侧凸的患者的EOS脊柱-手部X光片，包括性别和10到14岁的年龄范围，使用拇指骨化综合指数(TOCI)进行评分，Sanders和Risser方法。计算了观察者之间/内部一致性的组内相关系数（ICC），并用Cronbach的α值进行了测试。
■总之，从诊断为青少年特发性脊柱侧凸（AIS）的受试者中选择的60张EOS-脊柱手部X光片，本研究包括32例男性患者(平均年龄11.53岁;10~14岁)和28例女性患者(平均年龄11.50岁;10~13岁),这些患者接受了脊柱-手低剂量EOS序贯成像进行分析.总体观察者间(ICC=0.997)和观察者间的一致(α>0.9)对TOCI分期表现出极好的一致性；与传统数字和EOS手部X线照相术相比，TOCI和Sanders分期的ICC>0.994；对于TOCI与Risser和Sanders系统之间的支撑建议，ICC≥0.841。
■通过提出的新EOS工作流程，可以为骨骼成熟度评估提供高质量的图像，并具有出色的可靠性和有效性，以在AIS中提供一致的支撑建议。该工作流程适用于三级脊柱侧凸中心繁忙的日常诊所设置，减少了时间成本，提高放射科的效率和吞吐量。
■III.
■诊断为特发性脊柱侧凸的患者的EOS脊柱-手部X光片，包括性别和10到14岁的年龄范围，使用拇指骨化综合指数(TOCI)进行评分，Sanders和Risser方法。计算了观察者之间/内部一致性的组内相关系数（ICC），并用Cronbach的α值进行了测试。
■总之，从诊断为青少年特发性脊柱侧凸（AIS）的受试者中选择的60张EOS-脊柱手部X光片，本研究包括32例男性患者(平均年龄11.53岁;10~14岁)和28例女性患者(平均年龄11.50岁;10~13岁),这些患者接受了脊柱-手低剂量EOS序贯成像进行分析.总体观察者间(ICC=0.997)和观察者间的一致(α>0.9)对TOCI分期表现出极好的一致性；与传统数字和EOS手部X线照相术相比，TOCI和Sanders分期的ICC>0.994；对于TOCI与Risser和Sanders系统之间的支撑建议，ICC≥0.841。
■通过提出的新EOS工作流程，可以为骨骼成熟度评估提供高质量的图像，并具有出色的可靠性和有效性，以在AIS中提供一致的支撑建议。该工作流程适用于三级脊柱侧凸中心繁忙的日常诊所设置，减少了时间成本，提高放射科的效率和吞吐量。
■III.
