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Am J Med. 2019 Apr;132(4):519-524. doi: 10.1016/j.amjmed.2018.11.039. Epub 2018 Dec 16.

Evaluation of Prospectively Followed Adult Patients with Erythema Migrans Using the Beck Depression Inventory Second Edition.

Author information

1
Division of Infectious Diseases. Electronic address: gwormser@nymc.edu.
2
Division of Infectious Diseases.
3
Department of Psychiatry, New York Medical College, Valhalla.
4
Baystate Medical Center, Springfield, Mass.

Abstract

BACKGROUND:

The Beck Depression Inventory (BDI-II) may be used to evaluate individuals for symptoms of depression.

METHODS:

In a 1-year prospective study, 52 adult Lyme disease patients with erythema migrans and 104 matched control subjects were clinically assessed and completed the BDI-II at study entry and approximately 6 and 12 months later following antibiotic treatment.

RESULTS:

The mean BDI-II score was significantly higher at the baseline visit among Lyme disease patients compared with controls (P = .002), but no significant differences between the groups were observed at either the 6- or 12-month study visits. Over the course of the study, the mean BDI-II scores decreased an average of approximately 0.22 points per month (P < .0005) for Lyme disease patients, whereas the mean scores changed very little for controls (mean change = -0.02 per month, P = .50). The total number of somatic symptoms, of the 12 symptoms evaluated, strongly and directly correlated with the BDI-II scores at the baseline visit for the Lyme disease patients.

CONCLUSIONS:

The mean BDI-II scores of patients with early Lyme disease significantly exceeded that of matched controls at study entry, but by 6 months the values did not differ significantly. There was a good-to-excellent direct correlation between the BDI-II score and the total number of symptoms, suggesting that the BDI-II scores were reflecting somatic rather than affective depressive symptoms. When using the BDI-II as an assessment tool of patients with Lyme disease, infection-related somatic symptoms per se need to be considered in the interpretation of the results.

KEYWORDS:

Beck Depression Inventory; Depression; Erythema migrans; Lyme; Outcome

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