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Table 2 Results of univariable analysis using the Cox proportional hazards model for Condition A (qualified success)

From: Efficacy and safety of Ex-PRESS® mini shunt surgery versus trabeculectomy for neovascular glaucoma: a retrospective comparative study

Variable RR 95% CI P valuea
Ex-PRESS procedure (vs trab) 2.99 0.07 to 1.04 0.027
Age (per year) 0.97 −0.066 to − 0.001 0.041
Male (vs female) 0.84 −1.21 to −1.10 0.768
Preoperative IOP (per mm Hg) 1.08 0.017 to 0.13 0.011
Rubeosis iridis 1.47 −0.61 to 1.53 0.464
Pseudophakia 1.35 −0.67 to 1.37 0.547
Avitreous status 2.73 0.034 to 2.07 0.042
History of IVB within 3 days before surgery 1.44 −0.63 to 1.51 0.487
  1. CI confidence interval, IOP intraocular pressure, RR relative risk, trab trabeculectomy, vs versus
  2. aThe P values were determined by means of the Wald test in the Cox proportional hazardsmodel. Significant at P < .05