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Jon Trickett: To ask the Chancellor of the Duchy of Lancaster what the age-standardised mortality rates for prostate cancer in (a) spearhead primary care trusts and (b) England were in the latest period for which figures are available. 
As National Statistician, I have been asked to reply to your recent question asking what the age standardised mortality rates for prostate cancer in (a) spearhead primary care trusts and (b) England were in the latest period for which figures are available. (206400)
The spearhead group is defined in terms of local authorities. Spearhead primary care organisations (PCOs) are those which overlap geographically with any of the area defined by the spearhead local authorities. For most, the whole of the PCO area overlaps with the spearhead local authorities, but some only partially overlap.
The attached table presents age standardised rates and counts of prostate cancer deaths for males in England, and the spearhead group. Figures are also presented for each PCO overlapping with the spearhead group. All figures are for 2006 (the year latest available). An estimate of the per cent of the PCO population that is in the spearhead group (as at 2002) is also shown.
|Table 1 : Age-standardised mortality rates per 100,000 population( 1, 2) and counts of death where prostate cancer was the underlying cause of death( 3) , England, spearhead group and primary care organisation, 2006( 4, 5)|
|Area||Rate||95% confidence interval||Number of deaths||Percentage of PCO population within the spearhead group( 6)|
|(1) Age-standardised mortality rates per 100,000 population, standardised to the European Standard Population. Age-standardised rates are used to allow comparison between populations which may contain different proportions of people of different ages.|
(2) Confidence intervals are a measure of the statistical precision of an estimate and show the range of uncertainty around the estimated figure. Calculations based on small numbers of events are often subject to random fluctuations. As a general rule, if the confidence interval around one figure overlaps with the interval around another, we cannot say with certainty that there is more than a chance difference between the two figures.
(3) Cause of death for prostate cancer was defined using the International Classification of Diseases, Tenth Revision (ICD-10) codeC61.
(4) Based on boundaries as of 2008.
(5) Figures are for deaths registered in each calendar year.
(6) Percentages based on PCO populations as at 2002.
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