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Table 2 Descriptive statistics of HCV cases by address availability and geocoding match status

From: Identifying and characterizing hepatitis C virus hotspots in Massachusetts: a spatial epidemiological approach

  Address Geocoding
Missing Present p-value Unmatched Matched p-value
Count 14,980 (15.01%) 84,800 (84.99%)   2589 (3.05%) 82,211 (96.95%)  
Mean Age 43.5 42.1 <0.001 42.3028 42.09298 0.462
Gender %    <0.001    0.004
 Male 56.69 61.26   64.39 61.16  
 Female 29.93 37.29   34.26 37.38  
 Other/Unknown 13.38 1.46   1.35 1.46  
Exposure %    <0.001    <0.001
 PWID 8.72 24.88   27.54 24.79  
 Non-PWID 1.59 5.62   4.56 5.65  
 Unknown 89.69 69.51   67.9 69.56  
Year %    <0.001    <0.001
 2002 13.62 8.17   9.08 8.14  
 2003 7.92 7.83   8.88 7.8  
 2004 7.32 9.32   16.92 9.08  
 2005 6.04 7.56   14.99 7.33  
 2006 7.52 7.95   7.69 7.96  
 2007 9.95 9.04   7.26 9.09  
 2008 9.13 8.71   7.38 8.75  
 2009 9.81 7.99   5.45 8.07  
 2010 8.5 7.73   4.98 7.82  
 2011 8.22 8.48   6.26 8.55  
 2012 6.96 8.84   5.79 8.93  
 2013 5.01 8.38   5.33 8.47  
  1. All p-values are the result of chi-squared tests with the exception of Mean age which is a result of a two sample t-test