Skip to main content

Table 1 Characteristics of emergency self-inflicted injuries in Osaka City

From: Characteristics and outcomes of emergency patients with self-inflicted injuries: a report from ambulance records in Osaka City, Japan

 

Population of Osaka City

Total

Poisoning sleeping pill or tranquilizer

Poisoning other drug

Poisoning by CO

Poisoning by other gas

Cutting and/or piercing wrist or arm

Cutting and/or piercing other part

Hanging

Jumpingc

Drowning

P Values¶

(n = 9424)

(n = 2965)

(n = 1436)

(n = 98)

(n = 121)

(n = 2190)

(n = 491)

(n = 1489)

(n = 534)

(n = 100)

Men, n, (%)

1293798d

3340

(35.4)

766

(25.8)

381

(26.5)

64

(65.3)

72

(59.5)

513

(23.4)

242

(49.3)

1010

(67.8)

245

(45.9)

47

(47.0)

<0.001

Women, n, (%)

1371516d

6027

(64.0)

2192

(73.9)

1050

(73.1)

32

(32.7)

45

(37.2)

1674

(76.4)

249

(50.7)

451

(30.3)

281

(52.6)

53

(53.0)

 

Unknown, n, (%)

 

57

(0.6)

7

(0.2)

5

(0.3)

2

(2.0)

4

(3.3)

3

(0.1)

0

(0.0)

28

(18.8)

8

(1.5)

0

(0.0)

 

Age Category, year, n, (%)

                      

 10-19

216289

425

(4.5)

112

(3.8)

98

(6.8)

0

(0.0)

6

(5.0)

146

(6.7)

12

(2.4)

22

(1.5)

26

(4.9)

3

(3.0)

<0.001

 20-29

337803

2425

(25.7)

831

(28.0)

450

(31.3)

14

(14.3)

32

(26.4)

702

(32.1)

99

(20.2)

165

(11.1)

115

(21.5)

17

(17.0)

 

 30-39

413633

2300

(24.4)

837

(28.2)

387

(26.9)

22

(22.4)

20

(16.5)

610

(27.9)

97

(19.8)

207

(13.9)

106

(19.9)

14

(14.0)

 

 40-49

362393

1819

(19.3)

661

(22.2)

266

(18.5)

29

(29.6)

22

(18.2)

391

(17.9)

108

(22.0)

227

(15.2)

95

(17.8)

20

(20.0)

 

 50-59

307103

854

(9.1)

248

(8.4)

101

(7.0)

13

(13.3)

9

(7.4)

159

(7.3)

55

(11.2)

208

(14.0)

51

(9.6)

10

(10.0)

 

 60-69

377586

671

(7.1)

145

(4.9)

65

(4.5)

9

(9.2)

16

(13.2)

101

(4.6)

65

(13.2)

195

(13.1)

49

(9.2)

26

(26.0)

 

 70-79

277163

392

(4.2)

65

(2.2)

36

(2.5)

0

(0.0)

1

(0.8)

45

(2.1)

37

(7.5)

161

(10.8)

38

(7.1)

9

(9.0)

 

 80-89

123535

127

(1.3)

19

(0.6)

11

(0.8)

0

(0.0)

3

(2.5)

16

(0.7)

15

(3.1)

55

(3.7)

8

(1.5)

0

(0.0)

 

 90-99

22186

19

(0.2)

0

(0.0)

0

(0.0)

0

(0.0)

0

(0.0)

8

(0.4)

0

(0.0)

9

(0.6)

2

(0.4)

0

(0.0)

 

Unknown

23954

392

(4.2)

47

(1.6)

22

(1.5)

11

(11.2)

12

(9.9)

12

(0.5)

3

(0.6)

240

(16.1)

44

(8.2)

1

(1.0)

 

Place, n, (%)

                      

 Home

 

7299

(77.5)

2653

(89.5)

1245

(86.7)

59

(60.2)

85

(70.2)

1814

(82.8)

372

(75.8)

1025

(68.8)

44

(8.2)

2

(2.0)

<0.001

 Outside

 

1100

(11.7)

140

(4.7)

72

(5.0)

36

(36.7)

22

(18.2)

194

(8.9)

58

(11.8)

180

(12.1)

303

(56.7)

95

(95.0)

 

 Building

 

966

(10.3)

157

(5.3)

101

(7.0)

3

(3.1)

14

(11.6)

172

(7.9)

59

(12.0)

274

(18.4)

183

(34.3)

3

(3.0)

 

 Health care facility

 

59

(0.6)

15

(0.5)

18

(1.3)

0

(0.0)

0

(0.0)

10

(0.5)

2

(0.4)

10

(0.7)

4

(0.7)

0

(0.0)

 

 Call to the initiation of treatment by EMS, min, mean (SD)

 

7.0

(5.1)

6.9

(3.7)

6.9

(3.6)

8.0

(7.0)

11.4

(13.8)

6.5

(3.3)

6.8

(4.1)

6.9

(3.5)

6.4

(3.7)

15.8

(21.8)

<0.001

 Call to hospital arrival, min, mean (SD)a

 

53.9

(31.1)

62.3

(31.7)

61.8

(31.0)

43.0

(21.1)

48.7

(25.4)

43.0

(20.6)

52.9

(33.0)

42.3

(32.0)

38.3

(21.7)

60.9

(32.8)

<0.001

Type of hospitals, n (%)

                      

 No transportation

 

3255

(34.5)

790

(26.6)

293

(20.4)

52

(53.1)

74

(61.2)

787

(35.9)

112

(22.8)

1031

(69.2)

92

(17.2)

24

(24.0)

<0.001

 Non critical care medical center

 

4676

(49.6)

1871

(63.1)

877

(61.1)

13

(13.3)

18

(14.9)

1304

(59.5)

241

(49.1)

216

(14.5)

91

(17.0)

45

(45.0)

 

 Critical care medical centerb

 

1493

(15.8)

304

(10.3)

266

(18.5)

33

(33.7)

29

(24.0)

99

(4.5)

138

(28.1)

242

(16.3)

351

(65.7)

31

(31.0)

 

Type of transported department, n (%)a

                      

 Internal medicine

 

3086

(32.7)

1725

(58.2)

880

(61.3)

36

(36.7)

30

(24.8)

175

(8.0)

27

(5.5)

144

(9.7)

24

(4.2)

45

(45.0)

<0.001

 General surgery, orthopedics, or neurosurgery

 

2889

(30.7)

385

(13.0)

229

(15.9)

10

(10.2)

17

(14.0)

1187

(54.2)

341

(69.5)

286

(19.2)

411

(78.6)

23

(23.0)

 

 Psychiatry

 

169

(1.8)

58

(2.0)

26

(1.8)

0

(0.0)

0

(0.0)

40

(1.8)

9

(1.8)

23

(1.5)

6

(0.1)

7

(7.0)

 

 Other

 

25

(0.3)

7

(0.2)

8

(0.6)

0

(0.0)

0

(0.0)

1

(0.6)

2

(0.4)

5

(0.3)

1

(0.0)

1

(1.0)

 
  1. EMS emergency medical service, CO carbon monoxide, SD standard deviation
  2. aCalculated only for self-harms transported to institutions
  3. b9.9 % (148/1493) were transported to critical care medical centers outside of Osaka City
  4. cAmong 534 patients, there were 3 patients with driving off the road and 36 patients with jumping in front of trains/other traffic
  5. dCalculated for whole population in Osaka City
  6. ¶Comparison between the 9 groups were evaluated with Fisher exact test
Back to article page

Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

ISSN: 1757-7241