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. 2019 Mar;58(1):63–71. doi: 10.20471/acc.2019.58.01.09

Table 2. Basic characteristics of subjects divided into two groups according to dry eye symptoms evaluated by Schein questionnaire.

Dry eye group
(n=31)		 Control group
(n=19)		 t-a χ-b p
Age (years)* 56.97±14.11 61.05±16.08 -0.94a 0.351a
Gender (m/f)** 13/87 32/68 2.57b <0.001b

*mean ± SD; **percentage; at-test df=48; bχ2-test df=1