In terms of the associated clinical findings (Table 3), the patients with infectious diseases tended to have poor appetite and activity. Symptoms of upper respiratory infections were also frequently found in this group. Body weight loss was more commonly seen among the patients suffering from autoimmune disorders, followed by those with malignancies. The patients in the miscellaneous group were associated with a higher frequency of skin rashes, whereas the patients with autoimmune diseases were characterized by arthralgia and myalgia. However, none of the above symptoms or signs showed a statistically significant relationship with the specific cause.