Table 3.
Final diagnosis at discharge
| Type of headache | All Hospitals n = 415 (%) |
Linz n = 231(%) |
Milan n = 184(%) |
X2 | p-value |
|---|---|---|---|---|---|
| Primary Headache | |||||
| Unknown cause | |||||
| („not better specified“) | 133 (32.0) | 92 (42.4) | 41 (22.2) | 14.47 | <.001 |
| Migraine | 110 (26.5) | 59 (25,5) | 61 (33,2) | 2.886 | .102 |
| TTH | 68 (16.4) | 44 (19.0) | 24 (13.0) | 2.695 | .110 |
| TTH + migraine | 10 (2.4) | 10 (2.4) | 0 (0) | 8.162 | .003 |
| TACs | 0 (0) | 0 (0) | 0 (0) | ||
| Secondary Headache | |||||
| Sinusitis | 18 (14.3) | 15 (6.5) | 3 (1.6) | 5.838 | .016 |
| Hypertension | 33 (7.95) | 12 (5.2) | 21 (11.4) | 5.410 | .027 |
| SAH | 5 (1.2) | 1 (0.4) | 4 (2.2) | 2.608 | .176 |
| Meningitis or encephalitis | 1 (2.4) | 0 (0) | 1 (0.3) | 1.258 | .443 |
| Neuralgia | |||||
| Trigeminal neuralgia | 4 (0.96) | 2 (0.9) | 2 (1.1) | .052 | 1 |
TTH Tension-type headache, TACs Trigeminal autonomic cephalalgias, SAH Subarachnoid haemorrhage