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

Table 3

Statistical results of correlations between dry eye clinical tests.

Parameters	Gender	Age	OSDI	Schirmer 1 test	TBUT	Oxford scale	MCS
Age
	0.162
	0.136
OSDI
	−0.048	0.071
	0.659	0.514
Schirmer 1 test
	−0.098
	0.371	0.077	0.003
TBUT
	−0.025			0.436
	0.817	0.063	<0.001	<0.001
Oxford scale
	0.105	0.098	0.340
	0.337	0.370	0.001	0.011	<0.001
MCS
				0.111	0.211
	0.155	0.103	0.209	0.309	0.054	0.089
TFL
	0.044	0.053	0.163				0.259
	0.689	0.630	0.134	0.056	0.029	<0.001	0.016

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.