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

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

Variable	RR	95% CI	P value^a
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

CI confidence interval, IOP intraocular pressure, RR relative risk, trab trabeculectomy, vs versus
^aThe P values were determined by means of the Wald test in the Cox proportional hazardsmodel. Significant at P < .05

ISSN: 1471-2415