Answer:
The variables are:
Temperature: The variables for this can be Celcius degrees or Farenheit degrees, depending on where the medical doctor is from.
Patient number: this can be any integer number, as the patient is received in the hospital they assign him a number.
Weight: We commonly hear that the unit for weight is "grams", while the actual unit is called is "gram force", because gram is a unit of mass, and weight is actually a force, so here the correct unit is "gram force" or "kilogram force" (that are equivalent)