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Table 1 Validation results of the ID-Migraine questionnaire in different languages

From: The validation of the Hungarian version of the ID-migraine questionnaire

 

Location of the research

Sensitivity (95% CI)

Specificity (95% CI)

PPV (95% CI)

NPV (95% CI)

English,2003[17]

primary care

0.81 (0.77 to 0.85)

0.75 (0.64 to 0.84)

0.93 (0.90 to 0.96)

NI

Italian, 2007[18]

headache centers

0.95 (0.91 to 0.98)

0.72 (0.62 to 0.82)

0.88 (0.82 to 0.93)

0.87 (0.78 to 0.95)

Turkish, 2007[19]

neurology outpatient clinics

0.92 (NI)

0.63 (NI)

0.72 (NI)

0.88 (NI)

Portuguese, 2008[20]

headache outpatient clinics

0.94 (0.87 to 0.97)

0.60 (0.46 to 0.73)

0.80 (0.71 to 0.87)

0.85 (0.70 to 0.94)

  1. NI=no information, PPV = positive predictive value, NPV = negative predictive value, CI confidence interval
  2. Note: NPV was not reported in the English study, classification errors were not reported in any of the studies, and no confidence intervals were reported in the Turkish study