In Raper v. Mansfield Systems, Inc., 189 N.C.App. 277, 657 S.E.2d 899, 904 (2008) (No. COA07-681), the Court concluded that there was no evidence precisely identifying the cause of injury. In that case, the plaintiff developed carpal tunnel syndrome after a work accident. Id. A doctor testified that if plaintiff had sprained his wrist as a result of the accident, the wrist sprain "more likely" was the cause of the carpal tunnel syndrome. Id., 189 N.C. App. at 279, 657 S.E.2d at 903. However, there was no evidence supporting a finding that plaintiff sprained his wrist. Id., 189 N.C. App. at 283, 657 S.E.2d at 905. In addition, the doctor acknowledged the sprain could have been caused by diabetes or another cause unrelated to the accident. Id.