The location (room) in which a surgery can be conducted is not dependent on which factor?

The location in which a surgery can be conducted that should no dependent on the species of the surgical patient. Because all human are equal in the body so in surgery time it does not consider the species of the patient. If we consider only Whether the surgery is survival or non-survival. Whether a surgery is major or minor. The source of funding.

2hydrogen and 1 covalent