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Table 1 Distance for re-engineered and randomly generated points to the closest road.

From: Spatial confidentiality and GIS: re-engineering mortality locations from published maps about Hurricane Katrina

Distance from road (meters) 0 to 5 6 to 10 11 to 15 16 to 20 21 to 25 Above 25
New Orleans East       
Deaths From Map 16.7% 16.7% 8.3% 25.0% 8.3% 25.0%
Random Points 16.4% 12.5% 10.8% 9.4% 9.0% 42.0%
London Canal       
Deaths From Map 37.5% 4.2% 16.7% 25.0% 8.3% 4.2%
Random Points 18.0% 15.7% 13.0% 10.3% 11.0% 32.1%
Ninth Ward       
Deaths From Map 19.4% 27.8% 16.7% 11.1% 8.3% 16.7%
Random Points 19.6% 18.0% 14.9% 11.8% 10.0% 25.9%
All Deaths From Map (Orleans Parish) 22.5% 23.0% 14.1% 13.6% 8.4% 18.4%