TABLE 7.
Intercorrelation between analyzed variables in patients aged 41–65.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
| 1. OSDI | − | ||||||||
| 2. NIKTMH | 0.003* | − | |||||||
| 3. NIBUT | 0.723 | 0.050 | − | ||||||
| 4. FBUT | 0.452 | 0.556 | 0.001* | − | |||||
| 5. FL | 0.019* | 0.005* | 0.001* | 0.001* | − | ||||
| 6. LLT | 0.780 | 0.878 | 0.045* | 0.011* | 0.659 | − | |||
| 7. PBR | 0.670 | 0.626 | 0.792 | 0.854 | 0.021* | 0.090 | − | ||
| 8. SIT | 0.466 | 0.235 | 0.019* | 0.001* | 0.011* | 0.137 | 0.013* | − |
*P<0.05. OSDI, Ocular Surface Disease Index; NIKTMH, non-invasive keratograph tear meniscus height; NIBUT, non-invasive keratograph tear break-up time; FBUT, fluorescein tear break-up time; FL, fluorescein sodium staining; LLT, lipid layer thickness; PBR, partial blink rate SIT, Schirmer I test.