Association of a miRNA-137 Polymorphism with Schizophrenia in a Southern Chinese Han Population

Table 1

The demographic characteristics of schizophrenic patients and controls.

Variables	Schizophrenic patients	Controls	Statistical tests
	( = 611)	( = 628)
Mean age ± SD; (year)	35.56 ± 13.95	36.54 ± 12.14	= 1.331; = 0.183
Gender (%)
Male	397 (64.98)	417 (66.40)	= 0.279; = 0.597
Female	214 (35.02)	211 (33.60)

SD: standard deviation.