In simple linear regression a single independent variable is used to predict the value of a dependent variable. In multiple linear regression two or more independent variables are used to predict the value of a dependent variable. The difference between the two is the number of independent variables.
Watching for Systemic Symptoms. 1  1. Watch from swollen glands. Serious cases of cellulitis will spread beyond the initially infected region to become systemic and impact the rest of the body. 2  2. Notice if you experience fever and/or chills.
Cellulitis Treatment. The treatment depends on the severity of the infection. Cellulitis may be a small, localized infection or it may spread to the lymph nodes and bloodstream and cause septicemia, or blood poisoning. Generalized signs of infection, including fever, chills and/or sweating, and aches. 2  Red, hot streaks running down an arm or leg can indicate cellulitis in or around a vein, or that has spread into the bloodstream. 3  Most cellulitis occurs on the calf of the leg, but it can occur anywhere on the body.