Mean (SD) Median (Range) | OH | OL | TA | TAS | p-value |
Age (years) | 65.7 (16.9) 69.0 (19 to 93) | 63.1 (17.5) 68.0 (18 to 93) | 64.5 (18.1) 69.5 (19 to 93) | 64.0 (16.3) 69.0 (18 to 90) | 0.754 |
OSDI | 16.7 (16.2) 13.0 (0 to 63) | 14.7 (16.7) 8.0 (0 to 73) | 17.5 (17.8) 12.5 (0 to 73) | 14.0 (15.1) 8.0 (0 to 69) | 0.412 |
Subjective comfort | 63.4 (21.8) 60.0 (20 to 100) | 69.8 (24.9) 70.0 (0 to 100) | 66.2 (23.5) 70.0 (0 to 100) | 68.0 (23.5) 70.0 (20 to 100) | 0.200 |
Ocular redness | 0.4 (0.6) 0.0 (0 to 2) | 0.3 (0.5) 0.0 (0 to 1) | 0.4 (0.5) 0.0 (0 to 2) | 0.3 (0.5) 0.0 (0 to 1) | 0.860 |
Bulbar and nasal conjunctival redness | 1.3 (0.6) 1.2 (0.0 to 2.5) | 1.2 (0.5) 1.2 (0.2 to 2.2) | 1.2 (0.6) 1.1 (0.0 to 2.5) | 1.2 (0.5) 1.2 (0.0 to 2.4) | 0.781 |
TBUT 1st measurement (seconds) | 7.6 (5.8) 5.5 (1.2 to 25.0) | 6.4 (5.3) 4.6 (0.8 to 25.0) | 7.3 (5.7) 5.0 (1.2 to 24.0) | 6.7 (5.7) 4.6 (1.2 to 25.0) | 0.413 |
TBUT average (seconds) | 10.4 (5.7) 9.6 (2.2 to 25.0) | 8.7 (5.3) 7.3 (1.9 to 25.0) | 10.4 (6.2) 8.4 (2.3 to 24.0) | 10.0 (5.9) 8.3 (1.3 to 25.0) | 0.156 |
Smell | 0.3 (0.6) 0.0 (0 to 3) | 0.5 (0.8) 0.0 (0 to 3) | 3.3 (1.7) 4.0 (0 to 5) | 2.9 (1.5) 3.0 (0 to 5) | <0.001 OH-TA < 0.001 OH-TAS < 0.001 OL-TA < 0.001 OL-TAS < 0.001 |
Application comfort | 0.1 (1.1) 0.0 (0 to 10) | 0.5 (2.7) 0.0 (0 to 20) | 13.6 (20.7) 0.0 (0 to 80) | 2.0 (7.4) 0.0 (0 to 40) | <0.001 OH-TA < 0.001 OH-TAS 0.026 OL-TA < 0.001 OL-TAS 0.210 |