Any headache | Migraine | TTH | CDH | |
---|---|---|---|---|
Sensitivity, % (95 % CI) | 88 (83–91) | 63 (52–72) | 57 (48–65) | 57 (48–65) |
Specificity, % (95 % CI) | 81 (74–87) | 85 (81–89) | 81 (76–86) | 82 (76–86) |
Positive predictive value, % (95 % CI) | 89 (84–92) | 55 (45–65) | 61 (52–69 | 61 (52–69) |
Negative predictive value, % (95 % CI) | 80 (73–86) | 89 (85–92) | 79 (74–84) | 79 (74–85) |
Kappa value (95 % CI) | 0.69 (0.61–0.76) | 0.46 (0.35–0.56) | 0.39 (0.29–0.49) | 0.51 (0.24–0.79) |