Table 3.
Ocular surface parameters and univariate analysis of these parameters on logarithm-transformed ocular staining score
| Variables | Mean ± SD | Univariate analysis | |
|---|---|---|---|
| Beta (SE) | P-value | ||
| Ocular surface parameters | |||
| Ocular staining score (0-33), NEI scale | 7.65 ± 5.06 | ||
| Subjective score (OSDI) | 41.63 ± 22.88 | 0.004 (0.003) | 0.179 |
| Schirmer’s test I value (mm) | 7.01 ± 6.83 | -0.038 (0.008) | <0.001 |
| FBUT (seconds) | 2.30 ± 1.67 | -0.230 (0.026) | <0.001 |
| MGD grade (0–4) | 1.95 ± 0.74 | 0.432 (0.076) | <0.001 |
| Parameters using K5M | |||
| NIKBUT-first (seconds) | 4.31 ± 1.73 | -0.069 (0.035) | 0.054 |
| NIKBUT-average (seconds) | 8.20 ± 3.12 | -0.026 (0.020) | 0.193 |
K5M Keratograph®5M, FBUT fluorescein break-up time, MGD meibomian gland dysfunction, NEI National Eye Institute, NIKBUT non-invasive Keratograph® break-up time, OSDI ocular surface disease index, SE standard error