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Table 2 Distribution of ED visits by travel distance and chief complaints in each year, 2008 to 2010

From: A practical method for predicting frequent use of emergency department care using routinely available electronic registration data

Characteristics

2008 (%)

2009 (%)

2010 (%)

Travel distance (miles)

<=5

60.1

60

60.1

5–20

30.2

30.7

30.3

>20

8.4

8.1

8.3

Missing

1.4

1.2

1.3

Chief complainta

   

Respiratory

23.1

24.6

22.0

Gastrointestinal

17.1

17.6

17.7

Neurologic

11.3

11.2

11.2

Skin

4.6

4.4

4.7

UDI

9

10.5

8.8

Lymphatic

3

3.0

3.0

ILI

18.8

20.7

20.9

Dental

1.8

1.8

1.8

Pain

41.5

40.3

40.8

Musculoskeletal

28.7

27.5

27.7

Alcohol

0.5

0.5

0.6

Unclassified

15.7

14.8

15.4

Missing

1.34

1.47

3.41

  1. aBecause one visit may have multiple syndromes, the total percentage of chief complaints is more than 100 %