Frequency Distribution of COMT Polymorphisms in Greek Patients with Schizophrenia and Controls: A Study of SNPs rs737865, rs4680, and rs165599

Table 1

Demographic characteristics in 108 schizophrenia patients and 97 controls.

Variables	Patients (𝑛=108)	Controls (𝑛=97)	𝑃 value^†
Gender
Male	69 (63.9)	71 (73.2)	0.153
Female	39 (36.1)	26 (26.8)
Median Age, yrs	43.32 ± 12.24	42 ± 11.68	0.430

†P values derived from t-test for age; chi-square test was used for gender.