Table 4.

Correlation between ocular findings and duration and severity of disease.

	Duration		Severity		SPEED questionnaire (composite)
	ρs	p value*	ρs	p value*	ρs	p value*
Conjunctival signs a	0.01	0.96	0.55	.002	0.21	.11
Blepharitis-like findings b	− 0.54	.003	− 0.005	.99	0.95	< .0001
Schirmer I c	0.18	.36	− 0.25	.21	− 0.52	.12
SPEED questionnaire
Frequency	− 0.28	.26	0.29	.30
Intensity	− 0.30	.23	0.26	.36
Composite	0.46	.16	0.31	.37

^aConjunctival hyperemia and chemosis; conjunctival chemosis; ^bOcular secretion; lid margin hyperemia and/or telangiectasia; crusted eyelashes, meibomian orifices abnormalities; ^cValues from the right eye.

*Spearman rank correlation analysis; Significant data are reported in bold.