Table 3.
The etiologies of altered level of consciousness in the emergency room by time zone.
| Total (N = 2028) | Systemic infection | Metabolic cause | Stroke | Toxicity | Cardiogenic & vascular | Seizure | Psychiatric disorder | CNS infection | TBI | Undetermined | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 00:00–00:59 | 63 (3.1) | 16 (25.4) | 17 (27.0) | 6 (9.5) | 8 (12.7) | 5 (7.9) | 4 (6.3) | 3 (4.8) | 1 (1.6) | 1 (1.6) | 2 (3.2) |
| 01:00–01:59 | 33 (1.6) | 6 (18.2) | 9 (27.3) | 1 (3.0) | 4 (12.1) | 7 (21.2) | 3 (9.1) | 0 | 1 (3.0) | 0 | 2 (6.1) |
| 02:00–02:59 | 43 (2.1) | 11 (25.6) | 11 (25.6) | 1 (2.3) | 7 (16.3) | 5 (11.6) | 2 (4.7) | 1 (2.3) | 1 (2.3) | 0 | 4 (9.3) |
| 03:00–03:59 | 44 (2.2) | 9 (20.5) | 6 (13.6) | 4 (9.1) | 10 (22.7) | 10 (22.7) | 1 (2.3) | 2 (4.5) | 0 | 0 | 2 (4.5) |
| 04:00–04:59 | 36 (1.8) | 3 (8.3) | 11 (30.6) | 6 (16.7) | 7 (19.4) | 3 (8.3) | 3 (8.3) | 3 (8.3) | 0 | 0 | 0 |
| 05:00–05:59 | 41 (2.0) | 8 (19.5) | 11 (26.8) | 7 (17.1) | 4 (9.8) | 5 (12.2) | 3 (7.3) | 1 (2.4) | 1 (2.4) | 0 | 1 (2.4) |
| 06:00–06:59 | 43 (2.1) | 7 (16.3) | 8 (18.6) | 7 (16.3) | 10 (23.3) | 4 (9.3) | 4 (9.3) | 0 | 1 (2.3) | 0 | 2 (4.7) |
| 07:00–07:59 | 66 (3.3) | 15 (22.7) | 17 (25.8) | 9 (13.6) | 3 (4.5) | 6 (9.1) | 9 (13.6) | 2 (3.0) | 2 (3.0) | 0 | 3 (4.5) |
| 08:00–08:59 | 72 (3.6) | 16 (22.2) | 16 (22.2) | 12 (16.7) | 8 (11.1) | 5 (6.9) | 6 (8.3) | 2 (2.8) | 0 | 0 | 7 (9.7) |
| 09:00–09:59 | 114 (5.6) | 43 (37.7) | 21 (18.4) | 19 (16.7) | 11 (9.6) | 5 (4.4) | 3 (2.6) | 1 (0.9) | 3 (2.6) | 0 | 8 (7.0) |
| 10:00–10:59 | 136 (6.7) | 43 (31.6) | 32 (23.5) | 18 (13.2) | 11 (8.1) | 8 (5.9) | 8 (5.9) | 3 (2.2) | 3 (2.2) | 2 (1.5) | 8 (5.9) |
| 11:00–11:59 | 138 (6.8) | 43 (31.2) | 33 (23.9) | 20 (14.5) | 7 (5.1) | 14 (10.1) | 10 (7.2) | 2 (1.4) | 1 (0.7) | 2 (1.4) | 6 (4.3) |
| 12:00–12:59 | 124 (6.1) | 32 (25.8) | 30 (24.2) | 21 (16.9) | 9 (7.3) | 7 (5.6) | 6 (4.8) | 3 (2.4) | 0 | 2 (1.6) | 14 (11.3) |
| 13:00–13:59 | 118 (5.8) | 36 (30.5) | 27 (22.9) | 13 (11.0) | 17 (14.4) | 4 (3.4) | 9 (7.6) | 1 (0.8) | 1 (0.8) | 0 | 10 (8.5) |
| 14:00–14:59 | 104 (5.1) | 34 (32.7) | 28 (26.9) | 11 (10.6) | 6 (5.8) | 10 (9.6) | 2 (1.9) | 1 (1.0) | 2 (1.9) | 1 (1.0) | 9 (8.7) |
| 15:00–15:59 | 104 (5.1) | 37 (35.6) | 22 (21.2) | 19 (18.3) | 6 (5.8) | 7 (6.7) | 3 (2.9) | 1 (1.0) | 0 | 2 (1.9) | 7 (6.7) |
| 16:00–16:59 | 108 (5.3) | 38 (35.2) | 24 (22.2) | 15 (13.9) | 7 (6.5) | 8 (7.4) | 4 (3.7) | 0 | 0 | 2 (1.9) | 10 (9.3) |
| 17:00–17:59 | 91 (4.5) | 30 (33.0) | 21 (23.1) | 11 (12.1) | 15 (16.5) | 4 (4.4) | 3 (3.3) | 1 (1.1) | 1 (1.1) | 1 (1.1) | 4 (4.4) |
| 18:00–18:59 | 91 (4.5) | 26 (28.6) | 18 (19.8) | 11 (12.1) | 13 (14.3) | 11 (12.1) | 5 (5.5) | 1 (1.1) | 0 | 0 | 6 (6.6) |
| 19:00–19:59 | 113 (5.6) | 36 (31.9) | 22 (19.5) | 11 (9.7) | 10 (8.8) | 6 (5.3) | 13 (11.5) | 3 (2.7) | 0 | 3 (2.7) | 9 (8.0) |
| 20:00–20:59 | 110 (5.4) | 34 (30.9) | 21 (19.1) | 17 (15.5) | 10 (9.1) | 8 (7.3) | 7 (6.4) | 2 (1.8) | 2 (1.8) | 1 (0.9) | 8 (7.3) |
| 21:00–21:59 | 88 (4.3) | 22 (25.0) | 19 (21.6) | 10 (11.4) | 11 (12.5) | 6 (6.8) | 10 (11.4) | 1 (1.1) | 0 | 0 | 9 (10.2) |
| 22:00–22:59 | 79 (3.9) | 22 (27.8) | 15 (19.0) | 13 (16.5) | 15 (19.0) | 1 (1.3) | 3 (3.8) | 3 (3.8) | 2 (2.5) | 0 | 5 (6.3) |
| 23:00–23:59 | 69 (3.4) | 14 (20.3) | 16 (23.2) | 9 (13.0) | 13 (18.8) | 0 | 7 (10.1) | 2 (2.9) | 0 | 0 | 8 (11.6) |
TBI traumatic brain injury, CNS central nervous system.