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Table 2 Descriptive statistics of estimated PWID drug treatment coverage rates

From: Change and variability in drug treatment coverage among people who inject drugs in 90 large metropolitan areas in the USA, 1993–2007

  Mean SD Min Q25 Median Q75 Max
Treatment Coveragea % % % % % % %
1993 6.75 3.70 0.80 4.20 5.60 9.40 16.40
1995 6.71 4.16 0.90 3.60 5.65 9.70 20.60
1996 6.66 4.01 0.90 3.40 5.05 9.70 18.10
1997 6.87 5.47 1.10 3.00 5.30 9.70 28.90
1998 8.22 6.42 0.60 3.40 5.90 12.00 36.00
2000 7.87 5.81 0.50 3.40 6.05 10.30 31.80
2002 8.70 5.38 1.00 4.50 7.40 10.90 26.80
2003 7.31 5.36 0.90 3.20 5.70 9.20 27.30
2004 6.67 5.15 0.90 3.20 5.30 8.10 29.40
2005 6.50 4.99 1.00 2.80 4.85 8.30 22.70
2006 6.48 4.48 0.90 2.90 5.10 8.20 22.30
2007 6.40 4.51 0.90 3.20 5.15 8.90 19.70
  1. aPercent in treatment