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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Biol Psychiatry. 2019 Apr 15;86(3):221–229. doi: 10.1016/j.biopsych.2019.04.007

Table 1.

Baseline characteristics of analyzed study subjects (N=36) and those lost to follow up before receiving L-DOPA.

Characteristic Received L-DOPA (N=36) Did not receive L-DOPA (N=11)
Mean ± SD Mean ± SD p
Age (years) 75.3 ± 7.5 72.1 ± 6.6 0.21
Gender (N male) 16 (44.4%) 2 (18.1%) 0.12
Ethnicity (N Hispanic) 7 (19.4%) 2 (18.1%) 0.93
Race 0.53
 Asian 1 (2.8%) 0
 Black 14 (38.9%) 3 (27.3%)
 White 18 (50.0%) 8 (72.7%)
 Other 3 (8.3%)
Diagnosis 0.46
 Major Depressive Disorder 21 (58.3%) 8 (72.7%)
 Dysthymia 2 (5.6%) 1 (9.1%)
 Depression NOS 13 (36.1%) 2 (18.2%)
Duration of current depressive episode (weeks) 528.9 ± 854.6 702.4 ± 1040.4 0.60
Number of prior antidepressant medications 1.4 ± 2.2 1.2 ± 1.3 0.77
Hamilton Rating Scale for Depression (24 item) 15.5 ± 6.0 19.4 ± 4.2 0.056
Inventory of Depressive 26.4 ± 12.6 30.5 ± 12.4 0.47
Symptomatology—Self Report
Clinical Global Impressions—Severity 3.3 ± 0.7 3.7 ± 0.8 0.11
Center for Epidemiologic Studies—Depression 22.5 ± 10.0 24.9 ± 8.7 0.47