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Table 2 Comparison of the characteristics of the patients who attempted suicide who visited the ED

From: Predictive factors for the medical hospitalisation of patients who visited the emergency department with suicide attempt

  Discharge Hospitalization Total p-value
Consciousness, n (%)     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     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     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     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     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     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     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     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     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     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