Skip to main content

Table 1 Clinical and demographic characteristics

From: Cortisol levels in unmedicated patients with unipolar and bipolar major depression using hair and saliva specimens

 Major depressionHealthy controlsp values
UnipolarBipolar
Controls, n
 Total  40NA
 UK  32
 Chile  8
Unipolar subtype, n
 Total59  NA
 UK37  
 Chile22  
Bipolar subtype, I/II, n
 Total 6/6NANA
 UK 5/3
 Chile 1/3
Atypical/non-atypical depression, n24/353/9NA0.24λ
Mean age [years] (SD)34 (10.5)31.2 (10.6)33.2 (8.9)0.66
M/F17/426/611/290.3
Episodes; mean (SD)2.3 (4.0)10.2 (18.7)0 (0)< 0.01
Admissions; mean (SD)0.1 (0.4)0.6 (0.9)0 (0)< 0.01
Mean duration of illness [weeks], (SD)91.6 (132.9)76.6 (151.1)0 (0)< 0.01
HAMD-17; mean (SD)18.2 (4.6)13.0 (6.8)0.3 (0.9)< 0.01
QIDS; mean (SD)18.2 (4.2)15.4 (6.7)0.5 (1.4)< 0.01
YMRS; mean (SD)1.1 (1.4)1.4 (2.7)0.1 (0.3)< 0.01
  1. NA not applicable, HAMD−17 17-item Hamilton Depression Rating Scales, QIDS Quick Inventory of Depressive Symptoms, YMRS Young Mania Rating Scale, SD standard deviation
  2. λp-value was obtained using Fisher’s exact test