Kernrechtsfrage
Whether the insured proved a natural causal link between the 1981 accident and later psychiatric complaints warranting a higher disability pension
Extrahierter Entscheid
The psychiatric complaints were not shown with predominant probability to be causally linked to the accident.
Extrahierte Begründung
Given the nearly 20-year period of full work capacity and the consistent psychiatric assessments, the evidence did not establish the required natural causation; with such a long temporal gap, the proof threshold is stricter.