Development and Validation of a Nomogram Model for Predicting Unfavorable Functional Outcomes in Ischemic Stroke Patients After Acute Phase

Overview

Journal Front Aging Neurosci

Specialty Geriatrics

Date 2023 Jul 31

PMID 37520125

Authors

Chengjie Yan

Yu Zheng

Xintong Zhang

Chen Gong

Shibin Wen

Yonggang Zhu

Yujuan Jiang

Xipeng Li

Gaoyong Fu

Huaping Pan

Meiling Teng

Lingfeng Xia

Jian Li

Kun Qian

Xiao Lu

Affiliations

Soon will be listed here.

Abstract

Introduction: Prediction of post-stroke functional outcome is important for personalized rehabilitation treatment, we aimed to develop an effective nomogram for predicting long-term unfavorable functional outcomes in ischemic stroke patients after acute phase.

Methods: We retrospectively analyzed clinical data, rehabilitation data, and longitudinal follow-up data from ischemic stroke patients who underwent early rehabilitation at multiple centers in China. An unfavorable functional outcome was defined as a modified Rankin Scale (mRS) score of 3-6 at 90 days after onset. Patients were randomly allocated to either a training or test cohort in a ratio of 4:1. Univariate and multivariate logistic regression analyses were used to identify the predictors for the development of a predictive nomogram. The area under the receiver operating characteristic curve (AUC) was used to evaluate predictive ability in both the training and test cohorts.

Results: A total of 856 patients (training cohort: = 684; test cohort: = 172) were included in this study. Among them, 518 patients experienced unfavorable outcomes 90 days after ischemic stroke. Trial of ORG 10172 in Acute Stroke Treatment classification ( = 0.024), antihypertensive agents use [odds ratio (OR) = 1.86; = 0.041], 15-day Barthel Index score (OR = 0.930; < 0.001) and 15-day mRS score (OR = 13.494; < 0.001) were selected as predictors for the unfavorable outcome nomogram. The nomogram model showed good predictive performance in both the training (AUC = 0.950) and test cohorts (AUC = 0.942).

Conclusion: The constructed nomogram model could be a practical tool for predicting unfavorable functional outcomes in ischemic stroke patients underwent early rehabilitation after acute phase.

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