Table 4.

Association between presence of MGD and interferometry grades groups

Interferometry grades	OR	(95%CI)	P-value
Grade 0	16.00	(2.104–121.68)	< 0.001
Grade 1 (15–30 nm)	1.323	(0.656–2.669)	0.433
Grade 2 (31–60 nm)	0.414	(0.186–0.922)	0.032
Grade 3 (61–100 nm)	0.325	(0.094–1.127)	0.078
Grade 4 (> 100 nm)	NE	NE	NE

OR Odd ratios, CI Confidence intervals, NE Not evaluable