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Statistical Thinking in Healthcare

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STATISTICAL THINKING IN HEALTH CARE

Jamie D. Grant

Dr. Theodore Gorczyca
MAT 510 – Business Statistics
February 5, 2016

The prescription filling process of the health maintenance organization (HMO) consists of the doctor sending the prescription to the pharmacy via paper with the patient, paper to the nurse who calls in the prescription with instructions, or faxing the prescription to the pharmacy. From there, the personnel at the pharmacy fill the prescription by inputting the information given to them into their computer in order to print the instructions and medication labels for the prescriptions. They then pull the requested medications per the instructions, fill the necessary containers to give to the patients, and label them accordingly. Patients then receive their medicines and take them according to the instructions printed on the labels by the pharmacy per the doctor. There are many activities involved in this process that can cause issues. There are various reasons prescriptions can be filled inaccurately from the beginning (which can be considered the supplier portion of the SIPOC model) of the process. Interviews with pharmacy assistants indicate that doctors’ handwritings’ are difficult to decipher, and hence an area of concern when this information is given on paper to read in person or by facsimile copy. The person receiving the information in this format has the task of reading it, and interpreting what the doctor is trying to convey. If the paper is given to a nurse to call into the pharmacy, it is their task to understand the doctor, and convey it to the pharmacy. The reading of a prescription can be considered a common cause variation, as it randomly may or may not be read correctly. Interpretation of the prescription determines the success of the rest of the process. In the input part of the SIPOC model, based on the

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