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CPk value in healthcare

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  • #24933

    sanjeev gogi
    Member

    I’ve heard that as a guideline in manufacturing, cpk=1.33 is regarded as a benchmark/rule of thumb for capable processes. Is there any such rule of thumb/benchmark etc for healthcare?
    thanks

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    #59884

    Ryan
    Member

    Sanjeev,
    That’s an interesting question. A Cpk value of 1.33 translates into a process sigma value of 4. A sigma of 3 or 4 is the generally accepted (stated in so many books that it’s become generally accepted although there’s no data to back it up) value for US businesses.
    I have no data, but I would venture to say that hospital processes (in general), because they are so human intensive, are below a process sigma of 4 (Cpk of 1.33). Surgeries are probably of higher process capability. Just my guess. What do other people think?
    Ryan

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    #60093

    Schultz
    Participant

    The key question is what does your process  need to deliver.  a generic statement that Healthcare processes need to be 1.3 is too vague.. Does the patient transportation process need to be a good as the Radiation Therapy process?  Are you asking Healthcare overall? 

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