This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.
NIRUDAK – dehydration from age 5 years
Probability of no, mild and severe dehydration in diarrhea from 5 years of age – simplified (3 signs) or full model (Levine 2021)
Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.
Frequently asked questions
NIRUDAK – dehydration from age 5 years: What does this calculator compute?
Ordinal regression model NIRUDAK (Levine 2021, corrected 2022; externally validated 2023) for patients over 5 years with acute diarrhea: simplified model of skin pinch, eyes and breathing, or full model additionally including age, sex, vomiting, blood pressure, upper arm circumference, urine output and radial pulse; outputs the probabilities for no, mild and severe dehydration.
NIRUDAK – dehydration from age 5 years: Which sources is this calculator based on?
Levine AC, Barry MA, Gainey M, et al.: Derivation of the first clinical diagnostic models for dehydration severity in patients over five years with acute diarrhea (PLoS Negl Trop Dis 15:e0009266) (2021); Levine AC, et al.: Correction: Derivation of the first clinical diagnostic models for dehydration severity in patients over five years with acute diarrhea (PLoS Negl Trop Dis 16:e0011026) (2022)