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Table 1 Demographic and laboratory characteristics of participants

From: Relationship of serum homocysteine and vitamin D with positive, negative, and extrapyramidal symptoms in schizophrenia: a case–control study in Iran

Variables

Schizophrenia (n = 33)

Control (n = 33)

P-value

Gender

 Male

25 (75.8%)

25 (75.8%)

0.99

 Female

8 (24.2%)

8 (24.2%)

Marital status

 Single

19 (57.6%)

6 (18.2%)

0.001

 Married

14 (42.4%)

27 (81.8%)

Educational level

 High school

17 (51.5%)

11 (33.3%)

0.056

 Diploma

13 (39.4%)

13 (39.4%)

 University

3 (9.1%)

9 (27.3%)

BMI (kg/m2)

 Normal (18.5–23.9)

20 (60.6%)

8 (24.2%)

0.003

 Overweight (24.0–27.9)

10 (30.3%)

17 (51.5%)

 Obesity (≥ 28.0)

8 (24.2%)

8 (24.2%)

Age (year)

40 (34–47)

39 (28.5–49.5)

0.77

Vitamin D (µg/dl)

5.3 (1.75–9.65)

9.1 (4.5–19.5)

0.035

  < 10

25 (75.8%)

19 (57.6%)

0.107

 10.1–30

7 (21.2%)

11 (33.3%)

 30.1–100

1 (3%)

3 (9.1%)

Homocysteine (µg/dl)

12.4 (10.95–16.2)

7.2 (5.5–9.6)

 < 0.001

 13 ≥ 

17 (51.5%)

30 (90.9%)

 < 0.001

 13 < 

16 (48.5%)

3 (9.1%)

  1. Values are presented as n (%), median and interquartile range (1st IQR- 3rd IQR)
  2. BMI Body mass index
  3. Significant at p < 0.05 compared to the control group