Skip to main content
. Author manuscript; available in PMC: 2020 May 26.
Published in final edited form as: Contemp Clin Trials. 2018 Jun 6;71:70–79. doi: 10.1016/j.cct.2018.06.002

Table 5.

Comparison of Baseline Characteristics of Omega-3 Studies for the Treatment of Dry Eye Disease.

DREAM© Epitropoulos 2016 [17] Bhargava 2015 [73] Bhargava 2016 [40] (Current Eye Research) Bhargava 2016 [41] (Eye & Contact Lens)
Daily omega-3 dose (mg) 3000 2240 600 1200 2400
Sample size 535 105 456 130 522
Duration of study 12 months 3 months 3 months 6 months 45 days
Age, yrs. (mean) 58.0 ± 13.2 56.8 ± 17.0 23.3 ± 5.2 48.3 ± 4.2 29.3 ± 4.9
OSDI Symptom Score (mean) 44.4 ± 14.2 29.8 ± 21.1 7.7 ± 2.3a 8.9 ± 2.5a 7.9 ± 2.3a
Corneal staining (mean) 3.9 ± 2.7b 1.4 ± 1.1c N/A N/A N/A
Conjunctival staining (mean) 3.0 ± 1.4d N/A N/A N/A N/A
Tear film breakup time, sec (mean) 3.1 ± 1.5 4.7 ± 2.6 11.6 ± 1.8 9.4 ± 2.0 8.8 ± 2.0
Schirmer test, mm/5 min (mean) 9.6 ± 6.5 11.2 ± 7.5 20.0 ± 4.5 13.4 ± 5.1 15.8 ± 6.3
a

Symptoms assessed by the dry eye questionnaire and scoring system (DESS) 0 to 18 (0: no symptoms, 18: severe symptoms).

b

National Eye Institute [NEI]/industry-recommended guidelines (0: no staining, 15: severe staining).

c

Oxford staining scale 0 to 5 (0: no staining, 5: severe staining).

d

Modified NEI/industry-recommended scale (0: no staining, 6: severe staining).