Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery · 2023
The role of obesity severity in Minnesota multiphasic personality inventory-2-restructured form prediction of 12-month bariatric surgery outcomes.
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Hoyt Tim, Walter Fawn A, Michl Tegan M
Аннотация
BACKGROUND: The Minnesota Multiphasic Personality Inventory-2 Restructured Form (MMPI-2-RF) has been widely used in bariatric surgery samples. However, questions remain regarding its utility when predicting changes in body mass index over time following bariatric surgery.
OBJECTIVES: Examine whether MMPI-2-RF scales differentially predict 12-month changes in body mass index (BMI) following bariatric surgery when comparing patients with Class III or higher versus Class II or lower obesity.
SETTING: Military hospital in the Northwestern United States.
METHODS: This retrospective study evaluated data from 193 bariatric surgery patients who completed the MMPI-2-RF as part of presurgical evaluation requirements. Hierarchical linear modeling was used to predict body mass index over a 12-month postsurgical period based on MMPI-2-RF scales. Loss to follow-up rate was 30% during this period.
RESULTS: Among patients with Class II or lower obesity, the Symptom Validity, Adjustment Validity, Response Bias, Cynicism, Aggression, Stress/Worry, and Anger Proneness scales showed a significant relationship to BMI after bariatric surgery. Among patients with Class III or higher obesity, the Infrequent Psychopathology Responses, Emotional / Internalizing Dysfunction, Ideas of Persecution, Multiple Specific Fears, and Inefficacy scales showed a significant relationship to body mass index after bariatric surgery.
CONCLUSIONS: Certain MMPI-2-RF scales may have better utility in predicting bariatric surgery outcomes based on the patient's obesity severity. The interaction of metabolic and personality factors may play a significant role in weight change following bariatric surgery.
OBJECTIVES: Examine whether MMPI-2-RF scales differentially predict 12-month changes in body mass index (BMI) following bariatric surgery when comparing patients with Class III or higher versus Class II or lower obesity.
SETTING: Military hospital in the Northwestern United States.
METHODS: This retrospective study evaluated data from 193 bariatric surgery patients who completed the MMPI-2-RF as part of presurgical evaluation requirements. Hierarchical linear modeling was used to predict body mass index over a 12-month postsurgical period based on MMPI-2-RF scales. Loss to follow-up rate was 30% during this period.
RESULTS: Among patients with Class II or lower obesity, the Symptom Validity, Adjustment Validity, Response Bias, Cynicism, Aggression, Stress/Worry, and Anger Proneness scales showed a significant relationship to BMI after bariatric surgery. Among patients with Class III or higher obesity, the Infrequent Psychopathology Responses, Emotional / Internalizing Dysfunction, Ideas of Persecution, Multiple Specific Fears, and Inefficacy scales showed a significant relationship to body mass index after bariatric surgery.
CONCLUSIONS: Certain MMPI-2-RF scales may have better utility in predicting bariatric surgery outcomes based on the patient's obesity severity. The interaction of metabolic and personality factors may play a significant role in weight change following bariatric surgery.