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. 2017 Feb 3;31(5):781–787. doi: 10.1038/eye.2017.4

Table 1. The mean and SD of the variables and the respective p values for IOP (mmHg), OSDI scores and sum of clinical scores at day 7 and 21 in each group.

  Group 1 (mean±SD) Group 2 (mean±SD) Group 3 (mean±SD) P value
IOP (mmHg) (Day 7) 17.3±3.3 16.2±3.5 16.9±2.7 0.247
OSDI score (Day 7) 41.0±21.3 48.6±21.2 52.4±16.4 0.041a
Sum of CS (Day 7) 2.0±1.3 2.5±1.3 3.0±2.1 0.097
IOP (mmHg) (Day 21) 16.8±2.8 15.6±3.0 16.4±1.9 0.175
OSDI score (Day 21) 23.9±13.2 26.9±12.4 32.3±13.0 0.026a
Sum of CS (Day 21) 0.7±0.8 1.5±1.1 1.9±1.2 0.016a
Time until the resolution of the symptoms (Days) 9.5±4.9 11.2±4.9 13.3±4.2 0.005a

Abbreviations: CS, Clinical score; IOP, Intraocular pressure; OSDI, Ocular Surface Disease Index.

a

Significant difference.