Ocular Surface Epithelial Thickness Evaluation in Dry Eye Patients: Clinical Correlations

Table 1

Demographic and clinical test results.

Parameters	DED group	Control group	value
Number of patients	54	32
Gender
Female	36 (66.7%)	20 (62.5%)	0.699
Male	18 (33.3%)	12 (37.5%)
Age (years)	44.59 10.08	43.34 10.81	0.503
OSDI	35.46 14.94	1.52 3.96	<0.001
Schirmer I test (mm)	4.11 6.98	12.56 6.99	<0.001
TBUT (seconds)	4.67 2.30	13.31 2.54	<0.001
Oxford scale	1.06 1.73	0.00 0.00	0.001
MCS (mm)	5.74 0.41	5.98 0.07	0.002
TFL	2.43 0.71	2.28 0.52	0.323

DED: dry eye disease; OSDI: Ocular Surface Disease Index; TBUT: tear film break-up time; MCS: mean corneal sensitivity; TFL: tear film lipid layer interferometry.