Thompson AJ, Banwell BL, Barkhof F, et al. Diagnosis of multiple sclerosis: 2017 revisions of the McDonald criteria. Lancet Neurol. 2017.

Dr. Alan J. Thompson

//define vars
var historical = historical || 0;
var data1 = data1 || 0;
var data2 = data2 || 0;

var calc_output = [];
var attacks = parseFloat(attacks);
var lesions = parseFloat(lesions);
var historical = parseFloat(historical);
var data1 = parseFloat(data1);
var data2 = parseFloat(data2);

var diag;

//criteria
if (attacks == 0) {
  if (lesions == 0) {
    diag = "Definite MS";
  } else if (lesions == 1 && historical == 1) {
    diag = "Definite MS";
  } else if (lesions == 1 && historical == 0 && data1 == 1) {
    diag = "Definite MS";
  } else if (lesions == 1 && historical == 0 && data1 == 0) {
    diag = "Not MS";
  }
} else if (attacks == 1) {
  if (lesions == 0 && data2 == 1) {
    diag = "Definite MS";
  } else if (lesions == 0 && data2 == 0) {
    diag = "Not MS";
  } else if (lesions == 1 && data2 + data1 == 2) {
    diag = "Definite MS";
  } else if (lesions == 1 && data2 + data1 != 2) {
    diag = "Not MS";
  }
} 

//results
calc_output.push({
    name: 'mini',
    value: diag,
    value_text: '',
    message: '2017 McDonald Criteria for MS'
});
calc_output.push({
    name: 'Score',
    value: diag,
    value_text: '',
    message: '2017 McDonald Criteria for MS'   
});

McDonald Criteria for Multiple Sclerosis (2017 Revision)

attacks

lesions

historical

data2

data1

<p><span id="docs-internal-guid-b21a6433-7fff-ffea-899a-8e2ef396b96f">Diagnoses multiple sclerosis.</p>

McDonald Criteria (2017 Revision)

The McDonald Criteria for Multiple Sclerosis (2017 Revision) diagnosis multiple sclerosis.

Revised McDonald Criteria

EDSS/FSS for Multiple Sclerosis

Shortened Modified Fatigue Impact Scale

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Calc Function