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Table 1 Demographic and clinical characteristics of the seven voxel-based diffusion tensor imaging studies included in our meta-analysisa

From: Meta-analysis of diffusion tensor imaging studies shows altered fractional anisotropy occurring in distinct brain areas in association with depression

Characteristics Kieseppä
et al.[18]
Blood
et al.[24]
Zhu
et al.[58]
Wu
et al.[25]
Korgaonkar
et al.[60]
Jia
et al.[26]
Abe
et al.[59]
Number of patients 16 22 25 23 29 52 21
Number of controls 20 22 25 21 39 52 42
Mean age of patients, years 48.4 36.3 20.6 31.4 40.5 34.5 48.1
Mean age of controls, years 42 35.3 20.3 30.4 29.6 37.1 48
Patient sex, % female 87.5 54.5 60 65.5 58.7 51.9 47.6
Control sex, % female 50 54.5 60 56.5 53.8 54 47.6
Late-life depression 0 0 0 0 0 0 0
Major depressive disorder 1 1 1 1 1 1 1
Anxiety in patients (0 = no, 1 = yes) NA 0 0 0 NA 0 0
Treatment, % patients receiving medication at time of study 81 31.8 0 0 0 0 90.5
Mean illness duration, years 14.1 NA 13.6 2.2 NA 3.3 6
Mean BDI score 26.3 NA NA NA NA NA NA
Hamilton score NA NA NA 21.8 19.1 23 9.2
IDS-SR score NA 36 NA NA NA NA NA
Mean CES-D score NA NA 35.48 NA NA NA NA
Illness severity 2 2 3 3 3 3 1
  1. aBDI, Beck Depression Inventory; IDS-SR, Inventory of Depressive Symptoms-Self-Rated; CES-D, Center for Epidemiologic Studies Depression Scale. NA, not applicable.