How Do You Calculate the Percentage of PRP Coverage?
The Rule of Nines is an approach to calculate the percentage of a patient’s total skin impacted by burn. The results are used to help guide treatment decisions including fluid resuscitation and becomes part of the guidelines to determine transfer to a burn unit.
✽ The front and back of the head and neck equal 9% of the body’s surface area.
✽ The front and back of each arm and hand equal 9% of the body’s surface area.
✽ The chest equals 9% and the stomach equals 9% of the body’s surface area.
✽ The upper back equals 9% and the lower back equals 9% of the body’s surface area.
✽ The front and back of each leg and foot equal 18% of the body’s surface area.
✽ The groin area equals 1% of the body’s surface area.
Source: University of Michigan Health