Effect of Tardive Dyskinesia on Quality of Life: Self-Reported Symptom Severity is Associated with Deficits in Physical, Mental, and Social Functioning
This poster was presented at the 30th annual Psych Congress, held Sept. 16-19, 2017, in New Orleans, Louisiana.
Objective: To investigate TD burden on patients' quality of life and functionality
Methods: Adults with clinician-confirmed schizophrenia, bipolar disorder, or major depressive disorder participated in an observational study. Approximately half (47%) of participants had a clinician-confirmed TD diagnosis. Participants completed the SF-12v2 Health SurveyВ (SF-12v2), Quality of Life Enjoyment and Satisfaction Questionnaire Short Form (Q-LES-Q-SF), social withdrawal subscale of the Internalized Stigma of Mental Illness scale (SW-ISMI), and rated the severity of their TD symptoms. Group differences in SF-12v2 physical and mental component summaries (PCS and MCS), Q-LES-Q-SF, and SW-ISMI scores were analyzed.
Results: TD (n=79) and non-TD (n=90) groups were similar in age, gender, and number of patients with schizophrenia, bipolar disorder, and major depressive disorder. TD patients reported significantly worse scores on PCS (P=0.003), Q-LES-Q-SF (P<0.001) and SW-ISMI (P<0.001) than non-TD patients. The difference in PCS exceeded the established minimal clinically important difference (MCID) of 3 points. When stratified by TD severity, those with more severe symptoms had significantly worse Q-LES-Q-SF (P<0.001) and SW-ISMI (P=0.006) scores than those with less severe symptoms. Differences in PCS (P=0.12) and MCS (P=0.89) were in the expected direction and exceeded the MCID.
Conclusions: Among patients with psychiatric disorders, TD is associated with significant physical health burden and incremental mental health burden. TD severity is also associated with lower overall quality of life and greater social withdrawal.