Table 2.

Demographic data were compared between the two groups

	N	Gender		Smoke		Alcohol		Mean age (years)
Male	Female	Yes	No	Yes	No
Study group	35	13	22	11	24	14	21	54.74±11.35
Control group	79	45	34	28	51	30	49	56.30±14.62
x2/t		3.812		0.174		0.042		0.561
P		0.051		0.677		0.838		0.576

Note: N, Number of patients.