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Development of a new comorbidity index for adults with cerebral palsy and comparative assessment with common comorbidity indices
Developmental Medicine & Child Neurology ( IF 3.8 ) Pub Date : 2020-12-02 , DOI: 10.1111/dmcn.14759
Daniel G Whitney 1, 2 , Neil S Kamdar 2, 3, 4, 5
Affiliation  

AIM To develop a new comorbidity index for adults with cerebral palsy (CP), the Whitney Comorbidity Index (WCI), which includes relevant comorbidities for this population and better predicts mortality than the Charlson Comorbidity Index (CCI) and Elixhauser Comorbidity Index (ECI). METHOD Data from the Optum Clinformatics Data Mart was used for this retrospective cohort study. Diagnosis codes were used to identify adults aged 18 years or older with CP (n=1511 females, n=1511 males; mean [SD; range] age=48y [19y 2mo; 18-89y]) and all comorbidities in the year 2014. The WCI was developed based on the comorbidities of the CCI and ECI and other relevant comorbidities associated with 2-year mortality using Cox regression and competing risk analysis. The WCI was examined as unweighted (WCIunw) and weighted (WCIw). The model fit and discrimination (C-statistic) of each index was assessed using Cox regression. RESULTS Twenty-seven comorbidities were included in the WCI; seven new comorbidities that were not part of the CCI or ECI were added. The WCIunw and WCIw showed a better model fit and discrimination for 1- and 2-year mortality compared to the CCI and ECI. The WCIunw and WCIw were strong predictors for 1- and 2-year mortality (C-statistic [95% confidence interval] ranging from 0.81 [0.76-0.85] to 0.88 [0.82-0.94]). INTERPRETATION The new WCI, designed to include clinically relevant comorbidities, provides a better model fit and discrimination of mortality for adults with CP.

中文翻译:

制定新的成人脑瘫合并症指数并与常见合并症指数进行比较评估

目的 为成人脑瘫 (CP) 制定新的合并症指数,即惠特尼合并症指数 (WCI),其中包括该人群的相关合并症,并且比 Charlson 合并症指数 (CCI) 和 Elixhauser 合并症指数 (ECI) 更好地预测死亡率. 方法 来自 Optum 临床信息学数据集市的数据用于这项回顾性队列研究。诊断代码用于识别 18 岁或以上患有 CP 的成年人(n=1511 女性,n=1511 男性;平均 [SD;范围] 年龄 = 48 岁 [19 岁 2 个月;18-89 岁])和 2014 年的所有合并症. WCI 是基于 CCI 和 ECI 的合并症以及使用 Cox 回归和竞争风险分析与 2 年死亡率相关的其他相关合并症制定的。WCI 被检查为未加权 (WCIunw) 和加权 (WCIw)。使用 Cox 回归评估每个指标的模型拟合和区分(C 统计量)。结果 WCI 中包括 27 种合并症;添加了不属于 CCI 或 ECI 的七种新合并症。与 CCI 和 ECI 相比,WCIunw 和 WCIw 对 1 年和 2 年死亡率显示出更好的模型拟合和辨别力。WCIunw 和 WCIw 是 1 年和 2 年死亡率的强预测因子(C 统计量 [95% 置信区间] 范围从 0.81 [0.76-0.85] 到 0.88 [0.82-0.94])。解释 新的 WCI 旨在包括临床相关的合并症,为 CP 成人提供了更好的模型拟合和死亡率区分。添加了不属于 CCI 或 ECI 的七种新合并症。与 CCI 和 ECI 相比,WCIunw 和 WCIw 对 1 年和 2 年死亡率显示出更好的模型拟合和辨别力。WCIunw 和 WCIw 是 1 年和 2 年死亡率的强预测因子(C 统计量 [95% 置信区间] 范围从 0.81 [0.76-0.85] 到 0.88 [0.82-0.94])。解释 新的 WCI 旨在包括临床相关的合并症,为 CP 成人提供了更好的模型拟合和死亡率区分。添加了不属于 CCI 或 ECI 的七种新合并症。与 CCI 和 ECI 相比,WCIunw 和 WCIw 对 1 年和 2 年死亡率显示出更好的模型拟合和辨别力。WCIunw 和 WCIw 是 1 年和 2 年死亡率的强预测因子(C 统计量 [95% 置信区间] 范围从 0.81 [0.76-0.85] 到 0.88 [0.82-0.94])。解释 新的 WCI 旨在包括临床相关的合并症,为 CP 成人提供了更好的模型拟合和死亡率区分。
更新日期:2020-12-02
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