Table 1.

Demographic Data and DED Indicators in DED and Control Group

	DED Group (n=104)	Control Group (n=97)	P value
Age	54.68±14.49	52.05±13.74	0.600
Gender
Male	48	46	0.888
Female	56	51
Schirmer I test (mm/5min)	4.38±1.57	16.30 ± 2.85	<0.001
TBUT(s)	5.41±1.58	12.82 ±1.93	<0.001
CFS	2.55±1.06	0.10±0.30	<0.001
OSDI	38.54±12.69	8.16±2.74	<0.001

Notes: Data are shown as mean ± standard deviation, except for gender, which is shown as counts. p value: non-paired t test.

Abbreviations: DED, dry eye disease; TBUT, tear break-up time; CFS, corneal fluorescein staining; OSDI, ocular surface disease index.