Table 2.
Comparison of ST and SM in Evaluating the Presence or Absence of Ocular Surface Symptoms
| Characteristic | ST (mm) | SM (mm) | ||||
|---|---|---|---|---|---|---|
| Symptoms | Present | Absent | P Value | Present | Absent | P Value |
| Dryness | 13.1 ± 9.7 | 12.9 ± 9.2 | 0.454 | 3.0 ± 2.0 | 3.1 ± 2.0 | 0.392 |
| Irritation | 13.0 ± 9.2 | 13.0 ± 9.2 | 0.494 | 2.6 ± 1.8 | 3.2 ± 2.1 | 0.046a |
| Pain | 13.6 ± 9.4 | 12.9 ± 9.3 | 0.341 | 2.6 ± 2.1 | 3.1 ± 2.0 | 0.131 |
| Lacrimation | 15.1 ± 9.1 | 12.8 ± 9.3 | 0.207 | 2.7 ± 1.6 | 3.1 ± 2.1 | 0.238 |
| Fatigue | 13.1 ± 9.7 | 12.9 ± 9.4 | 0.442 | 3.2 ± 1.9 | 2.9 ± 2.1 | 0.191 |
| Blurring | 13.7 ± 9.1 | 12.7 ± 9.4 | 0.233 | 2.7 ± 1.6 | 3.2 ± 2.2 | 0.092 |
| Photophobia | 12.6 ± 9.7 | 13.1 ± 9.3 | 0.587 | 2.5 ±1.9 | 3.2 ± 2.1 | 0.011a |
Values are presented as mean ± standard deviation.
a
P < 0.05, unpaired t-test.