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. 2020 Jun 24;20:331. doi: 10.1186/s12888-020-02737-3

Table 2.

Overview of targeted sample-sizes per diagnostic category

Group Prevalence (%) Sec. analysis: yes/no Required number per experimental group Total required number per diagnostic subgroup % of total population needed to include
Depression 17 Yes 46 92 15.0
Bipolar disorder 3 No 24 48 44.4
Anxiety disorder 10 No 24 48 13.3
PTSD 15 Yes 46 92 18.1
ADHD/ADD 9 No 24 48 14.7
ASD 4 No 24 48 33.1
SSD 5 No 24 48 26.7
Personality disorder 6 No 24 48 22.3
Total 236 472