Discharge diagnosis by category
| Diagnosis | Number (% of category) | Total | |||
|---|---|---|---|---|---|
| Abnormal examination | “First or worst” headache | Usual headache | Indeterminate group | ||
| n = 50 | n = 36 | n = 37 | n = 230 | n = 353 | |
| Migraine | 10 (20) | 4 (11.1) | 14 (37.8) | 78 (33.9) | 106 (30.0) |
| Tension headache | 5 (10) | 5 (13.9) | 5 (13.5) | 37 (16.1) | 52 (14.7) |
| Cluster headache | 1 (2) | 1 (2.8) | 0 | 4 (1.7) | 6 (1.7) |
| Other primary headache | 14 (28) | 16 (44.4) | 9 (24.3) | 77 (33.5) | 116 (32.9) |
| SAH | 4 (8) | 3 (8.3) | 0 | 0 | 7 (2.0) |
| Other intracranial bleed | 0 | 1 (2.8) | 0 | 0 | 1 (0.3) |
| Cerebral/cerebellar infarct | 5 (10) | 0 | 2 (5.4) | 1 (0.4) | 8 (2.3) |
| Meningitis | 0 | 1 (2.8) | 0 | 2 (0.9) | 3 (0.8) |
| Systemic infection | 3 (6) | 1 (2.8) | 2 (5.4) | 12 (5.2) | 18 (5.1) |
| Other secondary headache | 2 (4) | 3 (8.3) | 5 (13.5) | 18 (7.8) | 28 (7.9) |
| Diagnosis not known | 6 (12) | 1 (2.8) | 0 | 1 (0.4) | 8 (2.3) |