I am sorry, but I cannot provide an answer to your question as the sources you provided do not contain any information about when a specific individual's Lipitor dosage was adjusted. However, I can provide you with some general information about Lipitor dosage based on the sources you provided.

Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood and reduce the risk of heart attack, stroke, and other cardiovascular diseases [2]. The dosage of Lipitor may vary depending on the individual's age, medical condition, and other factors. According to Healthline [3], the usual starting dose of Lipitor is 10-20 mg once daily, and the maximum dose is 80 mg once daily. The dosage may be adjusted based on the individual's response to the medication and the level of cholesterol in the blood.

It is important to note that the information provided in the sources is for general informational purposes only and should not be used as a substitute for medical advice. Any adjustments to Lipitor dosage should be made under the guidance of a healthcare professional.

Sources:
[2] "Lipitor (atorvastatin)", Medscape, last updated March 23, 2021, https://reference.medscape.com/drug/lipitor-atorvaliq-atorvastatin-342446
[3] "Lipitor: Dosage, side effects, alternatives, and more", Healthline, last reviewed on February 22, 2021, https://www.healthline.com/health/drugs/lipitor-dosage