Skip to main content
. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Am J Psychiatry. 2010 May 3;167(7):836–844. doi: 10.1176/appi.ajp.2009.09050614

Table 1.

Demographic and clinical characteristics of the samples

Characteristic Depressed Patients (N = 19) Mean ± SD Healthy Controls (N = 19) Mean ± SD Test of difference
Gender (Male : Female) 12 : 7 11 : 8 χ2 (1) = .11, p > .70
Age (yr) 41.8 ± 14 37.4 ± 10.5 t (36) = 1.1, p > .28
MADRS 30.5 ± 7.0
Duration of current episode (mo) 81.7 ± 124.8
Age of illness onset (yr) 19.9 ± 10.3
Lifetime duration of illness (yr) 21.9 ± 13.0
WAIS (Global IQ) 117 ± 16

Note: MADRS = Montgomery-Asberg Depression Rating Scale; WAIS = Weschler Adult Intelligence Scale; mean Global IQ is calculated from 15 patients that completed the instrument.