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Table 1 Characteristics of the patient group and the non-depressed control group

From: Exploration of 27 plasma immune markers: a cross-sectional comparison of 64 old psychiatric inpatients having unipolar major depression and 18 non-depressed old persons

 

Patients, N = 64

Controls, N = 18

 
 

Mean (SD), N (%)

Mean (SD), N (%)

P-value

HRSD-17

23.1 (4.6)

2.7 (2.7)

< 0.001a

MMSE

27.7 (1.8)

28.2 (2.1)

0.432a

Age, years

75.2 (6.3)

78.1 (4.8)

0.083a

Education, years

13.6 (3.0)

13.4 (2.8)

0.805a

BMI

23.3 (4,6)

24.2 (4.1)

0.422a

CIRS-G

6.8 (3.6)

5.4 (2.4)

0.139a

Regular intake of drugs, number

5.2 (2.3)

  

Gender, female

35 (54.7%)

12 (66.7%)

0.427b

 

Median (Q1,Q3)

  

Current depression in weeks

28 (13; 77)

  
  1. Abbreviations: CIRS-G cumulative illness rating scale for geriatric patients, HRSD-17 Hamilton rating scale of depression, MMSE Mini mental state examination, N number, SD standard deviation, BMI body mass index
  2. aIndependent Samples t-test
  3. bχ2-test.