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Table 2 Mean pupil diameter at baseline, at the beginning and at the end of surgery of both study and control groups

From: Subconjunctival 0.1% epinephrine versus placebo in maintenance of mydriasis during vitrectomy: a randomized controlled trial

Measurements Study Control P*
Baseline 2.9 (± 0.6) 2.9 (± 0.4) 0.902
Beginning of surgery 6.7 (± 1.1) 6.5 (± 1.0) 0.619
End of surgery 7.3 (± 0.6) 6.2 (± 0.9) 0.001
  1. *Student’s t test. Significant values in italic