Table 6 Validity testing (sensitivity, specificity, PPV and NPV with 95 % C.I) from the randomly selected headache sub-sample(a)
From: Prevalence of primary headache disorders in Fayoum Governorate, Egypt
Type of headache | Sensitivity (95 % CI) | Specificity (95 % CI) | PPV (95 % CI) | NPV (95 % CI) |
|---|---|---|---|---|
Migraine | 0.84 (0.68–1.00) | 0.92 (0.85–0.99) | 0.80 (0.62–0.98) | 0.94 (0.87–1.00) |
ETTH | 0.85 (0.71–0.98) | 0.93 (0.86–1.00) | 0.88 (0.75–1.00) | 0.91 (0.82–0.99) |
CM | 0.78 (0.51–1.00) | 0.97 (0.92–1.00) | 0.78 (0.51–1.00) | 0.97 (0.92–1.00) |
CTTH | 0.91 (0.74–1.00) | 0.97 (0.91–1.00) | 0.83 (0.62–1.00) | 0.98 (0.94–1.00) |
Unclassified | 0.40 (0.03–0.83) | 0.97 (0.92–1.00) | 0.50 (0.01–0.99) | 0.95 (0.90–1.00) |