Dear All,

 

I am hoping someone can help us with a user query our service is trying to answer.

 

This is the original question posed to us by a Trust staff member:  

 

“There is a lot of noise at the minute about capacity and demand planning in the Trust and in the NHS more widely (particularly NHS England). One of the core principles of capacity and demand planning is that you plan to provide for not the average, but the 80% percentile of your demand. For example if your average length of appointment was 30 minutes, you wouldn’t plan your bookings at 30 minutes intervals because half of the time appointments are going to take longer. Instead you would book them at the 80% percentile, for arguments sake let’s say 40 minutes.  That means that 80% of your appointments would take 40 minutes or less and there would be “give” in the system to account for those that take longer.

 

This principle is being quoted wherever we hear about capacity and demand planning, but I am not clear on exactly where the evidence for this has come from.  Are you able to find this evidence?”

 

Is anyone aware of any research/evidence backing up the 80^th percentile principle? So far I have not been able to find anything.

 

Thank you,

Maria  

 

Maria José Simões
Assistant Librarian

Library & Information Services

Business Intelligence
Leeds Community Healthcare NHS Trust

Second Floor, Stockdale House, Headingley Office Park, Victoria Road, Leeds LS6 1PF

Email: [log in to unmask]

Tel: 0113 843 3593

@LCH_Library

www.leedslibraries.nhs.uk - Leeds Libraries for Health website

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