Table 2. Demographics and analysis of differences in emergency department presentations between individuals with personality disorders versus all other psychiatric diagnoses.
| Personality disorder n=336 N (%) | Other mental health diagnosis n=5290 N (%) | Significance | |
|---|---|---|---|
| Gender | |||
| Male | 101 (30.1) | 2657 (50.2) | |
| Female | 235 (69.9) | 2633 (49.8) | <0.001 |
| Age group | |||
| Adolescent (12–17) | 36 (10.7) | 543 (10.3) | N/S |
| Young adult (18–24) | 124 (36.9) | 1162 (22.0) | <0.001 |
| Adult (25–64) | 171 (50.9) | 2824 (53.4) | N/S |
| Senior (65+) | 5 (1.5) | 761 (14.4) | <0.001 |
| Mode of arrival in emergency departments | |||
| Walk-in | 157 (46.7) | 2746 (51.9) | N/S |
| Ambulance | 96 (28.6) | 1959 (37.0) | 0.002 |
| Police | 82 (24.4) | 555 (10.5) | <0.001 |
| Other | 1 (0.3) | 30 (0.6) | N/S |
| Time of presentation to emergency departments | |||
| Morning | 48 (14.3) | 1053 (20.0) | 0.01 |
| Afternoon | 124 (36.9) | 1867 (35.5) | N/S |
| Evening | 124 (36.9) | 1430 (27.2) | <0.001 |
| Night-time | 40 (11.9) | 903 (17.2) | 0.012 |
| Season of presentation to emergency departments | |||
| Spring | 74 (22.0) | 1318 (24.9) | N/S |
| Summer | 92 (27.4) | 1350 (25.5) | N/S |
| Fall | 94 (28.0) | 1385 (26.2) | N/S |
| Winter | 76 (22.6) | 1237 (23.4) | N/S |
| Discharge disposition from emergency departments | |||
| Discharge home | 251 (74.7) | 3607 (68.2) | 0.013 |
| Admitted to hospital | 83 (24.7) | 1499 (28.3) | N/S |
| Left against medical advice or without being seen | 2 (0.6) | 178 (3.4) | 0.005 |
| Transfer to clinic | 0 (0) | 2 (<0.0) | N/S |
| Death after arrival | 0 (0) | 4 (0.1) | N/S |
| Length of stay in emergency departments (hours) | |||
| Median (min, max) | 4.04 (0.2, 51.6) | 3.28 (0, 503) | <0.001 |
| Multiple visits during study: | |||
| Mean (s.d.) number of visits | 3.75 (6.82) | 1.42 (1.58) | <0.001 |