Table 1. Demographic properties of the study population.

Demographic properties	Pterygium	Control	p
Age	54±12.0	48±19.46	0.270¶
Sex			0.232§
Female	26	16
Male	14	4
Laterality			0.273§
Right eye	18	11
Left eye	22	9

Values are given as mean±SD (¶: Student t-test; §: χ²).