substantial factor test

substantial factor test

A test used to prove proximate cause in alleged medical negligence, when independent events are linked to harm—i.e., was the defendant’s negligent act a substantial factor in causing the alleged harm?

substantial factor test

Forensic medicine A test used to prove proximate cause in alleged negligence, when independent events are linked to harm Issue Was defendant's negligent act a substantial factor in causing the alleged harm. See 'But for' test, Negligence, Proximate cause.