Table 2

Incidence of contact lens related acanthamoeba keratitis in England and Wales

Statistical regionCases (excluding non-UK residents)% Population using CL (see text)No of CL usersIncidence per million
*No significant difference (Fisher's exact test p=0.40).
Year 1 (1 October 1997 to 30 September 1998)
    North47%174 99922.86
    North West43%153 59326.04
    Yorkshire and Humberside19%365 179 2.74
    East Midlands04%134 581
    West Midlands36%256 21311.71
    South West74%159 72643.83
    East Anglia64%70 47985.13
    South East236%884 82525.99
    Wales03%70 900
    Total482 270 49521.14*
Year 2 (1 October 1998 to 30 September 1999)
    North07%175 133
    North West23%153 99912.99
    Yorkshire and Humberside09%365 963
    East Midlands24%135 16714.80
    West Midlands26%257 089 7.78
    South West44%160 61324.90
    East Anglia34%71 14742.17
    South East236%891 31525.80
    Wales23%71 15228.11
    Other UK residents2
    Total402 281 57817.53*