Table 1 Characteristics of patients in the study population and number of each chief complaint of ED-visits

Total number (N)

1510

551

569

318

72

Age, years (median) (range)

52(12^a–100)

54(12^a–100)

47(33–95)

51(21–93)

67(19–97)

Sex (w/m) (n/n)

762/748

289/262

282/287

158/160

33/39

 Abdominal pain

263

115

143

1

4

 Chest pain

136

60

65

5

6

 Infection

124

47

55

16

6

 Other^b

118

50

50

12

6

 Hand trauma

89

2

5

82

0

 Dyspnea

72

28

25

9

10

 Other trauma

69

10

15

39

5

 Musculoskeletal/extremity pain

66

22

25

19

0

 Unspecified disease

65

35

22

3

5

 Foot trauma

61

1

5

54

1

 Arrhythmia/palpitations

52

24

21

2

5

 Urological symptoms

48

34

11

2

1

 Head trauma

41

20

13

3

5

 Arm trauma

40

2

0

38

0

 Headache

39

15

21

3

0

 Vertigo/dizziness

38

19

13

1

5

 Neurological deficits

38

18

14

5

1

 Back pain

31

6

11

14

0

 Rectal symptoms

20

4

16

0

0

 Ear nose or throat problem

16

10

6

0

0

 Wound (cut or laceration)

15

10

5

0

0

 Allergy

15

3

10

2

0

 Eye symptoms

10

0

10

0

0

 Seizure

9

3

1

0

5

 GI-bleed

9

4

2

0

3

 Fainting/syncope

9

4

3

1

1

 Post-operational

9

2

0

7

0

 Intoxication

8

3

2

0

3