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Table 2 Distribution of injury-related ED visits by time of day, ED SS vs. SPARCS, NYC, 2008–2010

From: Utility of a near real-time emergency department syndromic surveillance system to track injuries in New York City

 

3-year totals, 2008–2010a

Injury type

Time of day

ED SS proportion

SPARCS proportion

Absolute % point difference

Traffic-related injury to pedal cyclist

Midnight–5:59 AM

8.3

9.3

1.0

6 AM–11:59 AM

16.6

16.2

0.4

Noon–5:59 PM

36.0

34.4

1.6

6 PM–11:59 PM

39.0

40.2

1.2

Traffic-related injury to pedestrian

Midnight–5:59 AM

8.4

10.4

2.0

6 AM–11:59 AM

20.4

20.7

0.3

Noon–5:59 PM

33.7

33.9

0.2

6 PM–11:59 PM

37.1

35.0

2.1

Traffic-related injury to motor vehicle occupant

Midnight–5:59 AM

13.6

12.9

0.7

6 AM–11:59 AM

20.8

21.5

0.7

Noon–5:59 PM

32.9

34.3

1.4

6 PM–11:59 PM

32.1

31.3

0.8

Fall-related injury

Midnight–5:59 AM

9.7

9.6

0.1

6 AM–11:59 AM

22.6

21.2

1.4

Noon–5:59 PM

36.8

37.3

0.5

6 PM–11:59 PM

30.4

31.9

1.5

Firearm-related injury

Midnight–5:59 AM

40.1

40.1

0.0

6 AM–11:59 AM

9.4

14.6

5.2

Noon–5:59 PM

17.2

15.4

1.8

6 PM–11:59 PM

32.8

30.0

2.8

Assault-related stabbing injury

Midnight–5:59 AM

36.3

36.4

0.1

6 AM–11:59 AM

14.6

16.9

2.3

Noon–5:59 PM

19.2

18.9

0.3

6PM–11:59 PM

29.1

27.8

1.3

  1. aColumn percentages may not add up to 100 % due to rounding and/or missing data