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Table 3 Subcategories identified by the disagreement validity assessment

From: Validation of an algorithm for automated classification of migraine and tension-type headache attacks in an electronic headache diary

Origin of disagreementSubcategoryNeurologistAlgorithmn. of casesTotal
Inadvertent mistake1TTHMO712
2TTH (with Triptan)MO2
3TTHMA1
4MATTH1
5non-classifiableMO or TTH1
Criterion E changes classification5non-classifiableMO or TTH33
Misinterpretation of ICHD-36MAnon-classifiable11