Fig 3. Cumulative proportion of patients with no recurrent intraocular pressure (IOP) elevation according to deepening of the upper sulcus (DUES).
The proportion of patients with no recurrence of IOP elevation by up to 24 months after trabeculectomy was significantly lower in DUES(+) group than in DUES(-) group (34.7% vs. 74.3%; P < 0.0001, log-rank test).