The optimal SCIP-D total-score cut of ≤72 identified 43.2% of the patients with global objective cognitive impairment. The self-assessed CFQ was not associated with either measure of objective cognitive functioning (r≤0.12, P≥0.30). The SCIP-D total scores were strongly associated with standardized neuropsychological tests (r=0.76, P<0.001). Results We included 82 patients with work-related stress. SCIP-D scores were compared between patients and healthy controls with independent t-tests. Cognitive norms were established through the data of 79 healthy controls. Decision validity was assessed with logistic receiver-operating-characteristic analyses using a cut-score approach to the objective and the subjective test results to predict impairment detected by the standardized tests.
Concurrent validity of the SCIP-D and CFQ was assessed by calculation of Pearson’s correlation coefficients between the objective and subjective tools and the scores on more conventional standardized neuropsychological tests.
Methods Patients were assessed with Danish versions of the objective Screen for Cognitive Impairment in Psychiatry (SCIP-D), standardized neuropsychological tests that tapped into the same cognitive domains, the self-assessed Cognitive Failure Questionnaire (CFQ), and several additional scales of symptom severity and psychosocial status. We examined objective and subjective tools for screening of cognitive impairment in this patient group.
Objective Many patients with work-related stress display cognitive impairment that may hamper recovery.
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