Hoehn MM, Yahr MD. Parkinsonism: onset, progression and mortality. Neurology. 1967;17(5):427-42.

Goetz CG, Poewe W, Rascol O, et al. Movement Disorder Society Task Force report on the Hoehn and Yahr staging scale: status and recommendations. Mov Disord. 2004;19(9):1020-8.

Dr. Margaret M. Hoehn

Dr. Melvin D. Yahr

var calc_output = [];

//user inputs
var status = parseFloat(status);

//results
calc_output.push({
    name: 'mini',
    value: 'Stage ' + status,
    value_text: '',
    message: ''
});
calc_output.push({
    name: 'Stage',
    value: 'Stage ' + status,
    value_text: '',
    message: 'Higher stage indicates higher degree of disability.'
});

Modified Hoehn and Yahr Scale for Parkinson’s Disease

status

<p><span>Grades severity of symptoms in Parkinson’s disease.</span></p>

Modified Hoehn and Yahr Scale

The Modified Hoehn and Yahr Scale for Parkinson’s Disease grades severity of symptoms in Parkinson’s disease.

Schwab and England ADL Scale

Webster Rating Scale

Trunk Impairment Scale

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Calc Function