Table 1

Participant emographic data

Group
Number
Age (SD)
Sex (% male)

Patients
246
64.68 (17.15)
46.3
Inpatients
150
74.14 (7.21)*
54.7 †
Outpatients
96
49.90 (17.74)*
33.3 †
Controls
275
37.11 (7.62)*
59.3 †

Total
521
50.13 (18.94)
53.2

ANOVA, analysis of variance; SD, standard deviation.

*p < 0.01 by ANOVA, **p < 0.01 by Pearson Chi-squared.

Michopoulos et al. Annals of General Psychiatry 2008 7:4   doi:10.1186/1744-859X-7-4