Table 2.
Regression analysis of electroencephalographic results and dry eye-related parameters.
| Delta Concentration | Delta Stress | Delta Alertness | ||||
|---|---|---|---|---|---|---|
| β | p value | β | p value | β | p value | |
| Non-adjusted | ||||||
| IBT | −0.381 | 0.066 | −0.130 | 0.552 | 0.378 | 0.062 |
| DEQS | 0.002 | 0.991 | −0.150 | 0.473 | −0.033 | 0.874 |
| Symptomatic dry eye | −0.297 | 0.157 | −0.086 | 0.687 | 0.033 | 0.874 |
| Adjusted for age and sex | ||||||
| IBT | −0.515 | 0.011* | −0.139 | 0.524 | 0.385 | 0.054 |
| DEQS | 0.022 | 0.923 | −0.222 | 0.331 | −0.086 | 0.696 |
| Symptomatic dry eye | −0.255 | 0.243 | −0.065 | 0.772 | 0.118 | 0.584 |
*p < 0.05. Delta Concentration, delta Stress, and delta Alertness are the electroencephalographic values (%) for (spontaneous blink- suppressed blink). Abbreviations: IBT, interblinking time; DEQS, Dry Eye-Related Quality-of-Life Scale.