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Validation of a clinical prediction rule for ambulation outcome after non-traumatic spinal cord injury.
Spinal Cord ( IF 2.1 ) Pub Date : 2019-11-25 , DOI: 10.1038/s41393-019-0386-x
Rodney Sturt 1 , Bridget Hill 1, 2 , Anne Holland 1, 3 , Peter W New 2, 4, 5 , Chloe Bevans 1
Affiliation  

STUDY DESIGN Prospective cohort study. OBJECTIVES To validate a Clinical Prediction Rule (CPR) for ambulation in a non-traumatic spinal cord injury population (NTSCI). SETTING Tertiary spinal rehabilitation inpatient service, Melbourne, Australia. METHODS Adults with confirmed NTSCI were recruited between April 2013 and July 2017. Data based on the original van Middendorp CPR (age and four neurological variables) were collected from participant's medical records and by interview. The Spinal Cord Independence Measure item 12 was used to quantify the ability to walk at 6 and 12 months. A receiver operator curve (ROC) was utilised to determine the performance of the CPR. Ambulatory outcomes were compared for AIS A, B, C and D and aetiology groups. RESULTS The area under the ROC curve (AUC) was 0.94 with 95% confidence interval (CI) 0.86-1.0 (n = 52). Overall accuracy was 75% at 6 months and 82% at 12 months. For the whole cohort the sensitivity at 12 months was 95% and specificity 73%. However, specificity for AIS C and D was only 50%. CONCLUSION The CPR correctly predicted those who did not walk at 6 and 12 months following NTSCI, but was less accurate in predicting those who would walk particularly those with an AIS C or D classification. This CPR may be useful to inform planning for future care in individuals with NTSCI, particularly for those who are not expected to walk. Further research with larger sample sizes is required to determine if the trends identified in this study are generalisable.

中文翻译:

非创伤性脊髓损伤后下床活动的临床预测规则的验证。

研究设计前瞻性队列研究。目的验证非创伤性脊髓损伤人群(NTSCI)的步行活动的临床预测规则(CPR)。地点澳大利亚墨尔本,第三级脊柱康复住院服务。方法在2013年4月至2017年7月期间招募具有确诊NTSCI的成年人。从参与者的病历和访谈中收集基于原始van Middendorp CPR(年龄和四个神经系统变量)的数据。脊髓独立性测量项目12用于量化在6个月和12个月时的行走能力。接收器操作员曲线(ROC)用于确定CPR的性能。比较了AIS A,B,C和D以及病因学组的动态结果。结果ROC曲线下面积(AUC)为0.94,95%置信区间(CI)为0.86-1。0(n = 52)。总体准确性在6个月时为75%,在12个月时为82%。对于整个队列,在12个月时的敏感性为95%,特异性为73%。但是,对AIS C和D的特异性仅为50%。结论CPR可以正确预测那些在NTSCI之后6个月和12个月内没有走路的人,但是在预测那些会走路的人(特别是那些具有AIS C或D分类的人)中的准确性较低。此CPR可能有助于为NTSCI患者,特别是对于那些不会走路的人的未来护理计划提供信息。需要进行更大样本量的进一步研究,以确定本研究中确定的趋势是否可以推广。AIS C和D的特异性仅为50%。结论CPR可以正确预测那些在NTSCI之后6个月和12个月内没有走路的人,但是在预测那些会走路的人(特别是那些具有AIS C或D分类的人)中的准确性较低。此CPR可能有助于为NTSCI患者,特别是对于那些不会走路的人的未来护理计划提供信息。需要进行更大样本量的进一步研究,以确定本研究中确定的趋势是否可以推广。AIS C和D的特异性仅为50%。结论CPR可以正确预测那些在NTSCI之后6个月和12个月内没有走路的人,但是在预测那些会走路的人(特别是那些具有AIS C或D分类的人)中的准确性较低。此CPR可能有助于为NTSCI患者,特别是对于那些不会走路的人,提供有关未来护理计划的信息。需要进行更大样本量的进一步研究,以确定本研究中确定的趋势是否可以推广。特别是对于那些不会走路的人。需要进行更大样本量的进一步研究,以确定本研究中确定的趋势是否可以推广。特别是对于那些不会走路的人。需要进行更大样本量的进一步研究,以确定本研究中确定的趋势是否可以推广。
更新日期:2019-11-26
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