Validation of NINDS-CSN neuropsychological battery for vascular cognitive impairment in Chinese stroke patients
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AbstractBackground: The NINDS-Canadian Stroke Network (NINDS-CSN) recommended a neuropsychological battery of three protocols to diagnose vascular cognitive impairment (VCI), however, due to culture and language differences, the battery cannot be directly used in China. Validation of the battery in mandarin Chinese is lacking. Our study investigated the reliability and validity of the adapted Chinese versions of the battery in stroke patients with high probability of VCI. Methods: Fifty mild stroke patients (median of National Institute of Health Stroke Scale [NIHSS] score, 2) and 50 stroke-free normal controls were recruited. All subjects' demographics, clinical history, and stroke severity were recorded. The NINDS-CSN neuropsychological protocols were adapted into the Chinese versions. External validity, defined as the ability of the protocol summary scores to differentiate stroke patients from controls, was determined using the area under the curve (AUC) of the receiver operating characteristics curve. We also evaluated internal consistency and intra-rater reliability. Results: Stroke patients performed significantly poorer than controls on all three protocols (F statistics between 24.9 and 31.4, P < 0.001). External validity evaluated by AUCs was 0.88 (95% confidence interval [CI], 0.81-0.95), 0.88 (95% CI, 0.81-0.94), and 0.86 (95% CI, 0.79-0.94) for the 60-min, 30-min and 5-min protocols, respectively. Cronbach's alpha of the cognitive tests was 0.87 for all subjects. Intra-rater reliability was acceptable with intraclass correlation coefficients 0.90, 0.83 and 0.75 for the 60-min, 30-min and 5-min protocols, respectively. Conclusions: The adapted Chinese versions of three NINDS-CSN neuropsychological protocols were valid and reliable for assessing VCI in Chinese patients with mild stroke.
All Author(s) ListChen X., Wong A., Ye R., Xiao L., Wang Z., Lin Y., Yang F., Li H., Feng T., Duan L., Han Y., Dai Q., Du J., Xu G., Mok V., Xiong Y., Liu X.
Journal nameBMC Neurology
Detailed description15:20.
Volume Number15
Issue Number1
PublisherBioMed Central
Place of PublicationUnited Kingdom
LanguagesEnglish-United Kingdom
KeywordsChina, Neuropsychology, Stroke, Validation study, Vascular cognitive impairment

Last updated on 2020-19-11 at 01:38