Compensation for a Patient’s Lost Chances to Recover from Illness: A Redux

By Alex Stein

Three days ago, Washington’s Court of Appeals issued a decision explaining the state’s Supreme Court precedents that entitle patients wronged by their doctors to recover compensation for their lost chances to recover from illness: Herskovits v. Group Health Cooperative of Puget Sound, 664 P.2d 474 (Wash. 1983), and Mohr v. Grantham, 262 P.3d 490 (Wash. 2011). The Court of Appeals ruled that this compensation entitlement is limited to cases in which the injured patient cannot prove causation by a preponderance of the evidence due to her preexisting condition. The Court explained that when a doctor’s malpractice reduces the patient’s chances to recover by more than 50%, the patient would be able to satisfy the preponderance requirement and recover full compensation. The Estate of Ruth M. Dormaier v. Columbia Basin Anesthesia, P.L.L.C., — P.3d —-, 2013 WL 6037098 (Wash.App. Div. 3 2013).

This decision also has continued the prevalent, but mistaken, “arithmetical approach” to lost chances. Under this approach, when a doctor’s malpractice reduces his patient’s chances to recover from illness from 75% to 25%, and the patient ultimately does not recover, the doctor must pay the patient 50% (75%-25%) of her damage.

This approach is mistaken for the following reasons: Read More