Table 4. Descriptive statistics for clinical tests analyzed in normal subjects versus DE patients.
| test | value | Normal subjects | DE patients | p |
|---|---|---|---|---|
| OSDI * |
score |
3.5±2.1 |
25.2±4.9 |
<0.0001 |
| TFBUT |
seconds |
12.6±1.9 |
7.8±3.6 |
<0.0001 |
| Schirmer test I |
mm/5 min |
24.8±6.2 |
23±12.1 |
0.01 |
| Cornea NEI |
score |
0.06±0.25 |
1.17±0.96 |
<0.0001 |
| Conjunctiva NEI | score | 0.35±0.41 | 2.43±1.46 | <0.0001 |
Results are summarized (mean ± SD) for subjective symptom (OSDI, Ocular Surface Disease Index score), Tear Film Break-Up time (TFBUT), Schirmer test I, Corneal and Conjunctival vital staining scored by the National Eye Institute (NEI) grading system. Results from all tests, except Schirmer test 1, were shown to be statistically significant. * incorporation bias