Table 2 Comparison of the characteristics of the patients who attempted suicide who visited the ED
| Â | Discharge | Hospitalization | Total | p-value |
|---|---|---|---|---|
Consciousness, n (%) | Â | Â | Â | 0.001 |
 Alert | 1004 (74.6) | 189 (45.7) | 1193 (68.3) |  |
 Verbal response | 249 (18.5) | 95 (22.9) | 344 (19.5) |  |
 Pain response | 93 (6.9) | 107 (25.8) | 200 (10.9) |  |
 Unresponsiveness | 0 (0.0) | 23 (5.6) | 23 (1.3) |  |
Vital signs | ||||
 Systolic blood pressure(mmHg) | 122.6 ± 21.8 | 118.5 ± 28.8 | 121.0 ± 25.4 | 0.007 |
 Diastolic blood pressure(mmHg) | 74.5 ± 15.1 | 70.2 ± 18.0 | 73.3 ± 17.1 | 0.001 |
 Pulse rate(beat/min) | 91.5 ± 19.6 | 91.1 ± 23.4 | 90.9 ± 21.8 | 0.421 |
 Respiratory rate(/min) | 19.9 ± 2.0 | 20.0 ± 2.9 | 19.8 ± 2.9 | 0.297 |
 Body temperature (°C) | 36.6 ± 1.1 | 36.2 ± 2.7 | 56.3 ± 3.0 | 0.035 |
Request for help | Â | Â | Â | 0.026 |
 Yes | 701 (52.1) | 188 (45.5) | 889 (50.7) |  |
 No | 645 (47.9) | 226 (54.5) | 871 (49.3) |  |
Previous suicidal attempt | Â | Â | Â | 0.001 |
 Yes | 568 (42.2) | 118 (28.5) | 686 (39.3) |  |
 No | 778 (57.8) | 296 (71.5) | 1074 (60.7) |  |
Number of previous suicidal attempts (n = 686) (mean ± SD) | 2.5 ± 2.9 | 1.7 ± 1.4 | 2.3 ± 2.6 | 0.009 |
Past psychiatric consultation | Â | Â | Â | 0.017 |
 Yes | 758 (56.3) | 206 (49.8) | 964.0 (55.0) |  |
 No | 588 (43.7) | 208 (50.2) | 796.0 (45.0) |  |
History of psychiatric admission | Â | Â | Â | 0.078 |
 Yes | 253 (18.8) | 58 (14.0) | 311 (17.9) |  |
 No | 1093 (81.2) | 356 (86.0) | 1449 (82.1) |  |
Current psychiatric medication use | Â | Â | Â | 0.544 |
 Yes | 810 (60.2) | 240 (58.0) | 1050 (59.7) |  |
 No | 536 (39.8) | 174 (42.0) | 710 (40.3) |  |
Alcohol ingestion before suicidal attempt | Â | Â | Â | 0.011 |
 Yes | 678 (50.4) | 177 (42.8) | 855 (48.9) |  |
 No | 668 (49.6) | 237 (57.2) | 905 (51.1) |  |
Planed suicidal attempt | ||||
 Yes | 109 (8.1) | 72 (17.5) | 181 (9.9) | 0.001 |
 No | 1237 (91.9) | 342 (82.5) | 1579 (90.1) |  |
Motivation of the suicidal attempt | Â | Â | Â | 0.001 |
 Psychiatric | 1147 (48.8) | 303 (52.3) | 1450 (49.5) |  |
 Interpersonal | 442 (18.8) | 84 (14.5) | 526 (18.0) |  |
 Job-related | 122 (5.2) | 26 (4.5) | 148 (5.1) |  |
 Economic | 131 (5.6) | 36 (6.2) | 167 (5.8) |  |
 Illness-related | 129 (5.5) | 46 (8.0) | 175 (6.0) |  |
 Death of family member or pet | 42 (1.8) | 11 (1.9) | 53 (1.8) |  |
 Legal problem | 19 (0.8) | 2 (0.3) | 21 (0.7) |  |
 Loneliness | 25 (1.1) | 6 (1.1) | 31 (1.1) |  |
 Fighting or punishment | 233 (9.9) | 54 (9.4) | 287 (9.8) |  |
 Other traumatic event | 54 (2.5) | 11 (1.9) | 65 (2.2) |  |
Method of the suicidal attempt | Â | Â | Â | 0.001 |
 Medication poisoning | 709 (52.7) | 219 (53.0) | 929 (52.7) |  |
 Pesticides and herbicides | 28 (2.1) | 32 (7.8) | 61 (3.3) |  |
 Gas poisoning | 50 (3.7) | 9 (2.2) | 59 (3.4) |  |
 Chemical exposure | 28 (2.1) | 17 (4.1) | 45 (2.6) |  |
 Hanging | 67 (5.0) | 23 (5.6) | 90 (5.2) |  |
 Drowning | 20 (1.5) | 4 (1.0) | 24 (1.4) |  |
 Cutting and piercing | 326 (24.2) | 70 (17.0) | 396 (22.7) |  |
 Fall/jumping from a height | 20 (1.5) | 18 (4.4) | 38 (2.1) |  |
 Collision/burns | 4 (0.3) | 1 (0.2) | 5 (0.3) |  |
 Others | 93 (6.9) | 19 (4.6) | 112 (6.4) |  |
Psychiatric tentative diagnosis in ED | Â | Â | Â | 0.430 |
 Depressive disorder | 1118 (83.1) | 343 (82.8) | 1461 (83.0) |  |
 Bipolar disorder | 66 (4.9) | 16 (3.8) | 82 (4.7) |  |
 Adjustment disorder | 63 (4.7) | 21 (5.0) | 84 (4.7) |  |
 Schizophrenia and schizotypal and delusional disorders | 57 (4.2) | 21 (5.0) | 77 (4.4) |  |
 Substance-use disorder | 15 (1.1) | 5 (1.3) | 20 (1.2) |  |
 Anxiety disorder | 11 (0.9) | 0 (0.0) | 11 (0.7) |  |
 Personality disorder | 9 (0.7) | 3 (0.8) | 13 (0.7) |  |
 Organic mental disorder | 3 (0.2) | 3 (0.8) | 6 (0.3) |  |
 Somatoform disorders | 3 (0.2) | 2 (0.4) | 4 (0.2) |  |
 Disorders of psychological development | 1 (0.1) | 0 (0.0) | 1 (0.1) |  |
Risk-Rescue Ratio Scale score | 36.7 ± 8.3 | 50.4 ± 8.8 | 39.4 ± 9.8 | 0.001 |