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. 2020 Feb 12;10(2):e029855. doi: 10.1136/bmjopen-2019-029855

Table 2.

Suggested cut-off levels to indicate effectiveness

Outcome measure Suggested cut-off levels to indicate effectiveness
HIT-6
Max. score 78 points

  • 25% (1)

  • 30% (1)

  • 50% (1)

  • 8 points (1)

  • 10 points (1)

  • 6–8 points (1)
MIDAS
Max. score 270 points

  • 10 points (2)

  • 20 points (2)

  • 25% (1)
Headache frequency
Max. score 30/31 points

  • 50% (2)

  • 25% (1)

The numbers behind the cut-off levels indicate the number of experts recommending this cut-off level.

Hit-6, Headache Impact Test; MIDAS, Migraine Disability Assessment Scale.