What endocrine symptom could be noted based on patient feedback?

Increased appetite is a significant endocrine symptom that can be associated with various hormonal imbalances or conditions. For instance, conditions such as hyperthyroidism can lead to an increased metabolic rate, which often results in heightened hunger and appetite. Similarly, diabetes mellitus, specifically when poorly controlled, can also manifest through increased appetite due to energy imbalance and the body's inability to utilize glucose effectively.

When evaluating patient feedback, reporting an increase in appetite can indicate underlying endocrine dysfunction, prompting further assessment and medical intervention. The other choices presented do not specifically link to the common manifestations of endocrine disorders as strongly as increased appetite does. Joint deformities may relate more to autoimmune or musculoskeletal issues than endocrine ones. Restlessness can have numerous causes, including anxiety or mood disorders, and while it might be a symptom of certain endocrine disorders, it’s not distinctly characteristic on its own. Coughing fits typically suggest respiratory conditions rather than endocrine issues. Hence, based on the feedback received from the patient, increased appetite is the most indicative endocrine symptom among the options provided.