Table 1.

Mean staining scores for the entire, central, inferior, and superior cornea and forced-stare tear film breakup time for dry eye and normal worst eyes based on staining, forced-stare tear film breakup time, and mean breakup area

	Staining			Forced-stare TFBUT			MBA
	Dry eye	Normal	P value	Dry eye	Normal	P value	Dry eye	Normal	P value
Staining (all)	2.006	0.312	<0.001	1.902	0.240	<0.001	1.937	0.250	<0.001
Staining (superior)	1.914	0.313	<0.001	1.810	0.250	<0.001	1.828	0.219	<0.001
Staining (central)	1.759	0.125	<0.001	1.672	0.125	<0.001	1.741	0.062	<0.001
Staining (inferior)	2.345	0.500	<0.001	2.224	0.344	<0.001	2.241	0.469	<0.001
Forced-stare TFBUT	2.748	9.844	<0.001	2.393	9.450	<0.001	2.700	11.312	<0.001

Abbreviations: MBA, mean breakup area; TFBUT, tear film breakup time.