Quality of life measures and health utility values among dry eye subgroups

Table 1 Characteristics of the dry eye subtypes

	All^a	ADDE	Short TBUT-DE
Number of patients (%)	449 (100%)	201 (44.8%)	108 (24.1%)
Age (y)	66.0 (52.0–75.0)	66.0 (55.0–75.0)*	63.5 (47.8–71.3)
Man: Woman	63: 386	30: 171	17: 91
TBUT	2.3 (1.7–3.7)	2.3 (1.7–8.3)*	3.0 (2.0–3.7)
Corneal staining score	3.0 (1.0–6.0)	3.0 (1.0–5.0)**	1.5 (0.0–4.0)
Keratoconjunctival staining score	3.0 (1.0–4.0)	3.0 (1.0–4.0)**	2.0 (1.0–2.3)
Schirmer test (mm)	6.0 (3.0–12.0)	4.0 (2.0–5.0)**	15.0 (9.0–25.0)

Abbreviations: ADDE aqueous-deficient dry eye, TBUT tear film break-up time, TBUT-DE tear film break-up time dry eye
Results are expressed as the median (interquartile range)
*p < 0.05, **p < 0.01 (Mann–Whitney U test) for ADDE subtype versus short TBUT-DE subtype
^a“All” include 140 patients other than ADDE or short TBUT-DE subtypes, in addition to ADDE and short TBUT-DE subtypes

ISSN: 1477-7525