Table 2

Participant demographic and clinical characteristics

CharacteristicHealthy controls*Depressed and died by suicide*
Participants, n2424
Age, yr42.08 ± 15.3538.95 ± 15.39
Race or ethnicity7 Black, 17 White2 Black, 22 White
Sex20 male, 4 female14 male, 10 female
Postmortem interval, h16.54 ± 6.418.91 ± 6.02
Brain pH7.01 ± 0.156.96 ± 0.25
  • * Values are presented as n or mean ± standard deviation.