Rates and Predictors of Performance Validity Test Failure in Adults Treated for Post-COVID-19 Condition: a Brief Report.

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OBJECTIVE

Cognitive dysfunction is a common symptom of post-COVID-19 condition (PCC). Few studies have examined rates and predictors of cognitive performance validity test (PVT) failure in patients seeking treatment for PCC.

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METHODS

We report the rates of PVT failure in 323 patients who received care in a long-COVID-19 clinic for any post-COVID-19 health concern and underwent routine telephone cognitive testing that included two embedded PVTs. Binary logistic regressions examined the demographic, illness, and psychological variables associated with PVT failure.

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RESULTS

The prevalence of single PVT failure ranged from 4.7% to 26.1% whereas failure on both PVTs occurred in just 6.3%. Illness characteristics, subjective cognitive dysfunction, and most demographic and psychological variables were unrelated to single PVT failure. Males and those with anxiety were more likely to fail both PVTs.

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CONCLUSION

Failure across multiple PVTs was not common and was unrelated to COVID-19 severity or cognitive complaints.