Table 1 Demographic characteristics of the 81 studies included in the systematic review

From: The neuropathology of bipolar disorder: systematic review and meta-analysis

 

Mean

SD

Range

BD subjects per study (n)a

11.5

4.3

3–21

Females

5.4

2.5

1–12

Males

6.4

2.7

1–10

Controls per study (n)a,b

14.8

7.0

3–55

Females

6.3

4.0

1–33

Males

8.7

3.6

2–24

Ages (years)

   

BD

50.6

9.7

27–74

Controls

54.0

7.8

42–75

  1. aSex-specific information known for n = 78 studies.
  2. bExcluding Shioya et al. [89]; see Table 6.
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