Table 3.

Factors associated with IOP change in the fellow eye at 1 week after trabeculectomy and PreserFlo™ microshunt implantation and all types of filtering surgery

Factor	TE			PMI
	Estimate	Standard error	p value	Estimate	Standard error	p value
Gender	− 1.02	0.55	0.06	− 1.37	1.53	0.39
Age	− 0.03	0.03	0.35	0.004	0.07	0.95
Preoperative IOP in the fellow eye	− 0.79	0.06	< 0.0001*	− 0.60	0.15	< 0.01*
Previous cataract extraction in the fellow eye	− 1.02	0.65	0.11	− 2.42	2.36	0.32
IOP change in the operated eye at 1 week	− 0.05	0.04	0.17	0.16	0.16	0.32
Duration of glaucoma	0.04	0.03	0.18	0.03	0.12	0.81
Factor	All types of filtering surgery
	Estimate	Standard error	p value
Gender	− 0.89	0.47	0.06
Age	− 0.04	0.02	0.14
Preoperative IOP in the fellow eye	− 0.76	0.04	< 0.0001*
Previous cataract extraction in the fellow eye	− 1.1	0.56	< 0.05*
IOP change in the operated eye at 1 week	− 0.03	0.03	0.31
Duration of glaucoma	0.05	0.03	0.1

TE, trabeculectomy; PMI, PreserFlo™ microshunt implantation. ^*p < .05