Table 1

Prevalence and incidence rates of boys aged 8 for years 2004–2010

YearNumber of boys aged 8 years in GPRDNumber of prevalent casesPrevalence rate per 100095% CINumber of incident casesIncidence rate per 100095% CI
2004145 4835213.583.28 to 3.801721.181.01 to 1.37
2005143 7215353.723.41 to 4.051701.171.00 to 1.35
2006147 0495683.863.56 to 4.191901.291.12 to 1.49
2007142 2295403.793.49 to 4.131731.211.05 to 1.41
2008138 8475433.913.59 to 4.251701.221.05 to 1.42
2009138 3175664.093.77 to 4.401801.301.02 to 1.50
2010132 1435153.903.57 to 4.241351.020.86 to 1.20
  • GPRD, UK General Practice Research Database.