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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