Okla. Stat. tit. 76, § 88

SETOFFS; CREDIT. In any personal injury claim for which damages are awarded, a defendant is entitled to a setoff or credit in the amount of the valuation established under Section 7 of this act and any amount the plaintiff has been awarded from a personal injury trust claim identified in subsection F of Section 6 of this act. If multiple defendants are found liable for damages, the court shall distribute the amount of setoff or credit proportionally, according to the liability of each defendant.