DED | Frequency | Percentage | Mean SD | CI | p-value |
Normal (>15 mm) | 530 | 72.6 | 15.4 ± 0.36 | 15.0 to 15.2 | 0.000 |
Mild (9 - 14 mm) | 134 | 18.4 | 10.6 ± 0.89 | 10.1 to 10.7 | 0.000 |
Moderate (4 - 8 mm) | 50 | 6.8 | 5.7 ± 1.5 | 5.5 to 7.6 | 0.000 |
Severe (<4 mm) | 16 | 2.2 | 3.3 ± 0.4 | 3.0 to 3.8 | 0.000 |
Total | 730 | 100 |
|
|
|