Table 1 Comparison of the studies about etiology of headache in ED * only patients with focal neurological signs at admission to ED.
From: O019. Headache as an emergency in children and adolescents
Kan et al [2] | Lewis et al [3] | Leon-Diaz et al [4] | Conicella et al [5] | Burton et al [6] | Scagni et al [7] | Massano et al* [8] | |
|---|---|---|---|---|---|---|---|
Number of patients | 130 | 150 | 185 | 432 | 288 | 550 | 101 |
Age (years) | >18 | >18 | 2-15 | 2-18 | 2-18 | 0-16 | 6-18 |
Secondary benign headaches (%) | 63.2 | 59.6 | 60.5 | 35.4 | 63.2 | 38 | -- |
Secondary life-threatening headaches (%) | 15.3 | 14.9 | 4.3 | 4.1 | 2 | 4 | 9.9 |
Primary headaches (%) | 10 | 18 | 24.3 | 24.5 | 21.8 | 56.7 | 66.3 |
Unclassified (%) | 11.5 | 7 | 10.8 | 36 | 13 | 1.3 | 23.7 |