Table 3.
Comparison of tear beak up time (TBUT), Schirmer, osmolarity and ocular surface disease index (OSDI) in control group.
| Characteristic | Mean ± SD (range) | Confidence interval 95% | P | |
|---|---|---|---|---|
| TBUT | Pre-treatment | 6.67 ± 1.36 s (3–8) | −2.32 to −3.39 | 0.010 |
| Post-treatment | 6.03 ± 2.26 s (4–11) | |||
| Schirmer | Pre-treatment | 3.50 ± 3.13 mm (0–13) | −0.81 to 0.44 | 0.551 |
| Post-treatment | 3.85 ± 2.88 mm (1–15) | |||
| Osmolarity | Pre-treatment | 316.66 ± 8.50 osmol/L (308–325) | −5 to 15.67 | 0.157 |
| Post-treatment | 311.33 ± 6.35 osmol/L (304–315) | |||
| OSDI | Pre-treatment | 32.99 ± 19.03 (3.12–77.77) | 3.14–13.24 | 0.003 |
| Post-treatment | 25.43 ± 14.49 (0–58.33) | |||
TBUT: tear beak up time, OSDI: ocular surface disease index.