Select Committee on Health Minutes of Evidence


Supplementary note to the Chairman of the Committee by Lord Dazi of Denham KBE

  I am writing up to follow up my appearance before your committee on 25 October. At that hearing, two points were raised that I said I would take away and return to you on. If I may, I would also like to clarify a couple of the points I made.

1.  How many people died from hospital acquired diseases last year?

  We do not have figures relating to all healthcare associated infections. The Office for National Statistics collects data on deaths associated with MRSA and C.difficile from death certificates and publishes the figures each February. The latest year is 2005 so last year's data is not yet available. Tables setting out the data are below.

MRSA Death Certificate Data

Number of death certificates with Staphlyococcus aureus and MRSA mentioned, and those with MRSA as the underlying cause, England and Wales 2001-05
20012002 20032004 2005
All Staphylococcus aureus1,211 1,2211,4031,623 2,083
Mentions of MRSA on death certificate734 8009551,168 1,629
Number of these where underlying cause of death is MRSA 254248321 360467
Source:  ONS Health Statistics Quarterly, 22/2/07


C. Difficile Death Certificate Data

Number of death certificates with C. difficile mentioned, and those with C. difficile as the underlying cause, England and Wales 2001-05
20012002 20032004 2005
Mentions of C.difficile1,214 1,4281,7882,247 3,807
Number of these where underlying cause of death is C.difficile 691756958 1,2452,074
Source:  ONS Health Statistics Quarterly, 22/2/07


  MRSA or C. difficile infection will be included on a death certificate if the certifying doctor considers it to be the underlying cause of death. However, many patients who become infected with an HCAI have other serious and potentially fatal underlying medical conditions.

  It is a matter of individual professional judgment whether the doctor lists MRSA or any other HCAI as a contributory cause, and this will depend, generally, on whether the doctor thinks that the patient would have survived for a significantly longer period if they had not developed an HCAI.

  There is a duty on doctors to record the cause of death accurately on the death certificate. The Chief Medical Officer wrote to all doctors to remind them of the importance of giving full and accurate information on the death certificate.

  Internationally accepted guidance from WHO on the completion of death certificates requires only those conditions that contribute directly to death to be recorded. If an infection was part of the sequence of events that led directly to the death, this should be recorded in part (i) of the certificate. If the infection contributed, but was not part of this direct sequence, it should be written in part (ii).

2.  Is it known whether the 20 trusts, recently reported to have the worst C. difficile infection rates, had bad PEAT scores?

  I made clear in my evidence to the Health Select Committee that any correlation between PEAT scores and infection rates would not necessarily indicate a causal relationship. It may be that both figures are influenced by the culture of the organisation. Variations in infection rates may also be due to a number of factors including number, age and types of patients/case mix (eg the very old or the very ill). We expect the measures we are taking to tackle infection to affect rates of C. difficile across the NHS, including these hospitals.

  It is difficult to directly compare PEAT scores with infection figures. PEAT scores are recorded by calendar year and the information on the 20 Trusts with highest numbers of C. difficile was recorded for Quarter 1 this year.

  Looking across the 20 Trusts, all of the hospitals within these Trusts scored acceptable, good or excellent for their 2007 PEAT environment score. PEAT scores are recorded at hospital level rather than at Trust level and have been recorded against a five point scale (excellent, acceptable, good, poor and unacceptable) in the years 2004-07 and against the a three point scale (green, amber, red) for the years 2001-03. Over the 30 hospitals within these 20 Trusts, only six scores of poor or red have been recorded in all of the years between 2001 and 2007 and no hospitals have had a score of unacceptable.

  You should note that PEAT inspections cover food and aspects of privacy and dignity, as well as cleanliness and the environment. Hospitals are given an overall score for environment and an overall score for food.

3.  Healthcare for London: A Framework for Action

  In my evidence to the Health Select Committee I noted that 62 or 63% of A&E attendances in London could have been dealt with in primary care. This figure should be approximately 40%. I also referred to the tariff for this, in a hospital setting, being £158. This should have been £81, which compares to a projected cost of £66 in a polyclinic.

Ara Darzi

4 December 2007





 
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