The systematic review showed the following graded results: There is limited scientific evidence that the triad and therefore its com­ponents can be associated with traumatic shaking (low quality evidence). There is insufficient scientific evidence on which to assess the diagnostic accuracy of the triad in identifying traumatic shaking (very low quality evidence). Limited scientific evidence (low quality evidence) represents a combined assessment of studies of high or moderate quality which disclose factors that markedly weaken the evidence. It is important to note that limited scientific evidence for the reliability of a method or an effect does not imply complete lack of scientific support. Insufficient scientific evidence (very low quality evidence) represents either a lack of studies, or situations when available studies are of low quality or show contradictory results. Evaluation of the evidence was not based on formal grading of the evidence according to GRADE but on an evaluation of the total scientific basis. Three components of a whole. The triad associated with SBS usually comprises subdural hematoma, retinal hemorrhages and encephalopathy.