Table 1

Demographic and tissue status characteristics of postmortem brain tissue donors

Group; no. of tissue sample donors*
CharacteristicControl (n = 36)Depressed (n = 45)
Age, mean ± SD, yr42.1 ± 14.343.3 ± 13.6
Sex, F:M9:2715:30
pH, mean ± SD6.6 ± 0.36.6 ± 0.2
PMI, mean ± SD, h29.9 ± 13.633.95 ± 17.5
Race
 White2026
 Black1213
 Other46
Cause of death
 Natural257
 Accident310
 Homicide83
 Suicide025
 Cardiovascular event247
 Accidental overdose015
Smoker1411
Ethanol at death013
  • F = female; M = male; PMI = postmortem interval; SD = standard deviation.

  • * Unless indicated otherwise.

  • Data on smoking status missing for 16 depressed individuals.

  • Data on ethanol status missing for 11 depressed individuals.