Table 1.
Variable | Group 1 | Group 2 | p value |
---|---|---|---|
Age, mean (SD) | 62 (18.1) | 60.8 (14.7) | 0.502a |
Eye blink | 72 (90) | 58 (50) | 0.214b |
Lipid layer thickness | 74 (59) | 80 (85) | 0.729b |
Meibography | 15 (89) | 12 (63) | 0.146b |
Tear film meniscus height | 0.23 (0.51) | 0.29 (0.24) | 0.198b |
NIBUT | 8.5 (12) | 8.2 (8.6) | 0.106b |
Tear film Osmolarity | 309 (16.1) | 307 (17.3) | 0.499b |
Schirmer’s test | 15 (27) | 11 (34) | 0.007b |
OSDI score | 7 (22) | 46 (79) | <0.001b |
Notes: All values are written as median (interquartile range) unless stated otherwise. aIndependent samples T-test, bMann–Whitney U-test; Bold indicates p value <0.05.
Abbreviation: SD, standard deviation.