Table 1.

Summary of patient baseline characteristics between study groups

Characteristic	PRO-148	Systane®	P
Age	55.8 ± 8.4	55.9 ± 9.6	0.710
TBUT	5.2 ± 2.3	4.7 ± 2.6	0.488
Schirmer I test	8.5 ± 4.7	9.7 ± 3.4	0.092
Total corneal staining score	1.2 ± 1.8	1.8 ± 2.8	0.943
Total conjunctival staining score	0.5 ± 1.0	0.9 ± 1.6	0.407
Global staining score	1.7 ± 1.7	2.7 ± 4.0	0.970
OSDI	18.8 ± 5.3	19.8 ± 7.1	0.810

Note: Data are presented in mean ± standard deviation.

Abbreviations: TBUT, tear film break-up time; OSDI, Ocular Surface Disease Index.