ArticleBMJ neurology open2025
Measuring neurological severity and complexity in acute setting: the modified Neurological Impairment Scale.
Article in BMJ neurology open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
abstractBackground: Given the increasing diversity among neurological patients, standardised protocols are essential for evaluating the severity and complexity of the variety of conditions. The aim of the present work was to standardise the assessment of the severity and complexity of neurological impairment in an acute setting by using a modified version of the Neurological Impairment Scale (mNIS). Methods: Consecutively hospitalised neurological inpatients underwent a multidimensional standardised assessment of multimorbidity, frailty, functional dependency and neurological impairment using mNIS and other validated scales. Inter-rater reliability of the mNIS total and subscores was evaluated. Construct validity was assessed separately in patients with cerebrovascular disease, performing correlations between corresponding subscores of mNIS, original NIS and National Institutes of Health Stroke Scale. mNIS Complexity Index (mNIS-CI) for neurological severity was used to classify patients into subtle, mild, moderate and severe impairment. Results: 1081 neurological patients admitted to a neurological ward from the emergency setting were enrolled. The inter-rater reliability was remarkable for mNIS total and subscores (intraclass correlation coefficient 0.90, 95% CI 0.82 to 0.95). The mNIS showed strong construct validity for total and subscores compared with other clinical scales (r 0.47-0.97, p<0.001) and 52.7% of patients scored at least one in one of the four newly listed items. The stratification of patients according to mNIS-CI exhibited high construct validity, distinguishing the extent of impairment and involved domains. Conclusions: The mNIS is valuable for measuring neurological severity and complexity in acute inpatients and holds significant potential for application in different settings.
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