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Mean OSDI values by study group.
| Preservative-free treatment (tafluprost) (n=30) | BAK-containing treatment (latanoprost) (n=30) | Untreated (control) (n=30) | Total (n=90) | |
|---|---|---|---|---|
| OSDI score ± SD | 17.15 ± 13.21 | 23.00 ± 18.80 | 21.62 ± 17.81 | 20.57 ± 16.79 |
SD, standard deviation.
