Correlation analyse between thyroid hormone levels and severity of schizophrenia symptoms

Table 1 General information

General information	Control group (n = 55)	Schizophrenia group			t/Z	P value
		Mild group (n = 39)	Moderate group (n = 45)	Severe group (n = 16)
Age (years)	34.56 ± 10.03	34.28 ± 10.67	34.71 ± 10.35	34.86 ± 10.43	0.018	0.997
Gender (male/female)	25/30	18/21	22/23	6/10	0.622	0.891
Smoking, n (%)	17 (30.91)	11 (28.21)	13 (28.89)	5 (31.25)	0.113	0.990
Drinking, n (%)	4 (7.27)	5 (12.82)	4 (8.88)	1 (6.25)	1.040	0.792
Family history, n (%)	17 (30.91)	11 (28.21)	13 (28.89)	5 (31.25)	0.113	0.990
Marital status, n (%)					0.772	0.993
Unmarried	16 (29.09)	12 (30.77)	13 (28.89)	4 (25.00)
Married	30 (54.55)	20 (51.28)	23 (51.11)	8 (50.00)
Divorced/widowed	9 (16.36)	7 (17.95)	9 (20.00)	4 (25.00)
Years of education (years)	15.93 ± 1.50	15.97 ± 1.27	15.42 ± 1.62	15.638 ± 1.20	1.380	0.251