<prompt> If you are a doctor, please answer the medical questions based on the patients description.My family has been told that my mom has dementia and shes only 65 yrs old. She very heavy and did not control her diabetes level, thyroid , and blood pressure. She has being hospitalized and treated for sixseven weeks now and all diseases are now under controlled at a descent levels besides her mind is very much stuck 30-35 years ago. Plus she doesnt walk and get around well. So, my question is; in your opinion; what do you feel would be her survival rate?  <response>: Hello, Thanks for choosing Chat Doctor for posting your query. I have gone through your question in detail and I can understand what you are going through. The survival of dementia patients depends on the stage of illness. Ones severe dementia sets in, the survival period is anywhere between 3-8 years. Hope I am able to answer your concerns. If you have any further query, I would be glad to help you. In future if you wish to contact me directly, you can use the below-mentioned link:bit.ly Chat Doctor. 