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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 %