Abstract
This study aimed to develop and validate a reliable, multi-domain scale for assessing childhood hydrocephalus severity and to enhance communication, guide treatment decisions, and improve patient care. A stepwise consensus approach informed by a modified Delphi technique was employed. Healthcare professionals participated in anonymous surveys and face-to-face meetings to define the core domains of the scale. Content validity, internal consistency, and inter-rater reliability were assessed. The Delphi process yielded a refined 7-item, 10-point Childhood Hydrocephalus Severity Scale (CHS) focussing on age, Evans index, associated malformations, neurological deficit, intraventricular haemorrhage, and mid-arm circumference. Content validity analysis using the Content Validity Index (CVI) demonstrated strong agreement (mean I-CVI = 0.91) among experts regarding the relevance of CHS items. All individual item CVI scores exceeded 0.8, supporting the inclusion of each factor. The CHS exhibited excellent internal consistency (Cronbach's alpha = 0.988). High intraclass correlation coefficients (ICC) were observed for both single measures (ICC = 0.902, 95% CI: 0.862-0.931) and average measures (ICC = 0.985, 95% CI: 0.978-0.990), indicating near-perfect agreement between raters. Both ICC values were statistically significant (p < 0.001). The CHS demonstrates promising potential as a reliable and valid tool for childhood hydrocephalus severity assessment. This scale has the potential to enhance communication, guide treatment decisions, and improve patient care in childhood hydrocephalus.
Published Version
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