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Table 2 Comparison of characteristics of patients who attempted suicide based on discharge subgroups

From: Suicide attempt-related emergency department visits among adolescents: a nationwide population-based study in Korea, 2016–2019

Variable

Discharge

(n = 8,456)

Discharged AMA

(n = 3,231)

Discharged to home

(n = 4,970 )

Others

(n = 255)

p value

 

n(%)

n(%)

n(%)

n(%)

 

Age

  14–16 years

3,066 (36.3)

1,026 (31.7)

1,947 (39.1)

93 (36.4)

< 0.0001

  17–19 years

5,390 (63.7)

2,205 (68.2)

3,023 (60.8)

162 (63.5)

 

Female sex

5,357 (63.3)

2,360 (73.0)

2,859 (57.5)

138 (54.1)

< 0.0001

Insurance type

  NHI

6,840 (80.8)

2,693 (83.3)

3,959 (79.7)

188 (73.7)

< 0.0001

  Medicaid

721 (8.5)

264 (8.2)

426 (8.6)

31 (12.1)

 

  Other

895 (10.5)

274 (8.5)

585 (11.7)

36 (14.1)

 

  EMS use

3,337 (39.4)

1,606 (49.7)

1,624 (32.6)

107 (41.9)

< 0.0001

KTAS score

  1–3

3,987 (47.1)

2,082 (64.4)

1,793 (36.0)

112 (43.9)

< 0.0001

  4–5

4,469 (52.8)

1,149 (35.5)

3,177 (63.9)

143 (56.0)

 

Year

  2016

1,344 (15.8)

447 (13.8)

820 (16.5)

77 (30.2)

< 0.0001

  2017

1,677 (19.8)

579 (17.9)

1,036 (20.8)

62 (24.3)

 

  2018

2,514 (29.7)

986 (30.5)

1,480 (29.7)

48 (18.8)

 

  2019

2,921 (34.5)

1,219 (37.7)

1,634 (32.8)

68 (26.6)

 

Season

  Spring

2,028 (24.0)

793 (24.5)

1,177 (23.6)

58 (22.7)

0.918

  Summer

2,401 (28.4)

912 (28.2)

1,415 (28.4)

74 (29.0)

 

  Fall

2,320 (27.4)

890 (27.5)

1,356 (27.2)

74 (29.0)

 

  Winter

1,707 (20.2)

636 (19.6)

1,022 (20.5)

49 (19.2)

 

Method of suicide attempts

  Poisoning

2,916 (34.5)

1,614 (50.0)

1,220 (24.6)

82 (32.1)

< 0.0001

  Cutting and piercing

4,070 (48.2)

1,268 (39.3)

2,674 (53.8)

128 (50.2)

 

  Others

1,464 (17.3)

346 (10.7)

1,073 (21.6)

45 (17.6)

 

Major treatment subject

  Psychiatry

1,715 (20.3)

1,105 (34.2)

591 (11.8)

19 (7.5)

< 0.0001

  Time from event to arrival (h)

1.0 (0.6–3.0)

1.2 (0.7–3.3)

1.0 (0.5–2.9)

1.0 (0.5–2.3)

0.430

Time of arrival

  07:00–14:59

1,822 (21.5)

702( 21.7)

1,050 (21.1)

70 (27.4)

0.005

  15:00–22:59

3,236 (38.2)

1,200 (37.1)

1,961 (39.4)

75 (29.4)

 

  23:00–06:59

3,398 (40.1)

1,329 (41.1)

1,959 (39.4)

110 (43.1)

 

Region

  Urban

4,014 (47.5)

1,805 (55.8)

2,132 (42.9)

77 (30.2)

< 0.0001

  Rural

4,442 (52.5)

1,426 (44.1)

2,838 (57.1)

178 (69.8)

 

Hospital beds

  ≥ 600

3,996 (47.2)

1,813 (56.1)

2,106 (42.3)

77 (30.2)

< 0.0001

  300–599

1,050 (12.4)

163 (5.0)

824 (16.5)

63 (24.7)

 

  < 300

3,410 (40.3)

1,255 (38.8)

2,040 (41.0)

115 (45.1)

 

Length of stay ≥ 6 h

1,665 (19.6)

943 (29.1)

675 (13.5)

47 (18.4)

< 0.0001

  1. NHI national health insurance, AMA against medical advice