Study | Migraine | Tension-type headache | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Sensitivity | Specificity | PPV | NPV | Kappa | Sensitivity | Specificity | PPV | NPV | Kappa | |
India[10]1 | 0.63 | 0.85 | 0.55 | 0.89 | 0.46 | 0.57 | 0.81 | 0.61 | 0.79 | 0.39 |
China[11]2 | 0.83 | 0.99 | 0.83 | 0.99 | 0.82 | 0.51 | 0.99 | 0.86 | 0.92 | 0.59 |
Russia[12]3 | 0.77 | 0.82 | 0.69 | 0.87 | 0.58 | 0.64 | 0.91 | 0.86 | 0.74 | 0.56 |
Pakistan[13]4 | 0.74 | 0.87 | 0.60 | 0.92 | 0.56 | 0.60 | 0.92 | 0.69 | 0.88 | 0.54 |