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Discussion With National Audit Office Re: IAPT

On Monday I received a thoughtful, considered and detailed response from the National Audit Office with regards to my submission re: the IAPT investigation. I’ve just penned the following response:

  1. In 2011 the Secretary for State for Health, Andrew Lansley MP and the Minister of State for Care Services, Paul Burstow, MP said stated ‘we are clear that building services around the outcomes which matter to people is the very essence of personalisation’, [Transparency in outcomes a framework for quality in adult social care (2011) Department of Health] so it cannot be for IAPT to choose the yardstick by which it evaluates itself. People seek physical/ psychological treatment in the hope that they will no longer be suffering from an identified disorder by the end of treatment, this is not a matter of clinical judgement, the yardstick is primarily patient driven. If an agency supplies data that does not allow a determination of whether this transparent yardstick is met, then they are remiss. In this connection IAPT ought to be brought to task by the National Audit Office.
  1. Psychometric tests of themselves do not point to any particular NICE approved treatment, if they had this power NICE would have said so, and they did not. Tests are like road signs blowing in the wind, they can only give direction if anchored in a reliable diagnosis. Inappropriate treatment including a failure to treat ( false positives and false negatives) is inevitably ubiquitous when treatment is not moored to diagnosis. Whilst it is the case that some cut offs are better than others at identifying a ‘case’ of disorder, the  cut offs themselves vary from sample to sample depending on the prevalence of the disorder and are at best relevant to one disorder – in practise people usually have more than one disorder. IAPT essentially has two instruments the PHQ-9 and GAD-7 which they purport measure anything of significance, no medical/scientific professional would claim such powers for just two instruments.
  1. I am unsure whether the National Audit Office are aware of the paper by Griffith’s and Steen (2013) [Improving Access to Psychological Therapies (IAPT) Programme: Scrutinising IAPT Cost Estimates To Support Effective Commissioning, The Journal of Psychological Therapies in Primary Care, 2, 142-156]. that suggest that the cost of IAPT therapy sessions is 3 times more than the Department of Health Impact Assessment estimates and this may lead to very different conclusions about the cost-effectiveness of IAPT. For ease of reference I attach a copy of this paper.
  2. How has the IAPT data set demonstrated that it offers added value over a) services as they existed before IAPT b) non-IAPT services in Wales, Scotland and Northern Ireland? In the absence of such a demonstration it can be questioned whether IAPT overs value for money.
  1. It may be that one part of IAPT say high intensity therapy, is value for money but say low intensity (the most common modality) is not but no such analysis has been proferred. Why?

 

Dr Mike Scott

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