Year | Number of girls aged 8 years in GPRD | Number of prevalent cases | Prevalence rate per 1000 | 95% CI | Number of incident cases | Incidence rate per 1000 | 95% CI |
---|---|---|---|---|---|---|---|
2004 | 136 752 | 109 | 0.80 | 0.66 to 0.96 | 27 | 0.20 | 0.14 to 0.28 |
2005 | 135 511 | 112 | 0.83 | 0.68 to 0.99 | 30 | 0.22 | 0.15 to 0.31 |
2006 | 138 548 | 112 | 0.81 | 0.69 to 0.97 | 34 | 0.25 | 0.17 to 0.39 |
2007 | 134 083 | 125 | 0.93 | 0.78 to 1.11 | 41 | 0.31 | 0.22 to 0.41 |
2008 | 130 876 | 107 | 0.82 | 0.67 to 0.98 | 29 | 0.21 | 0.14 to 0.29 |
2009 | 130 367 | 106 | 0.81 | 0.67 to 0.98 | 30 | 0.23 | 0.16 to 0.32 |
2010 | 124 135 | 101 | 0.81 | 0.67 to 0.99 | 26 | 0.21 | 0.14 to 0.30 |
GPRD, UK General Practice Research Database.