. 2019 May 1;33(10):1577–1583. doi: 10.1038/s41433-019-0452-9

Table 4.

Top surgical preferences based on participant age group

Age range	Total number of choice outcomes	Most preferred procedure	Second most preferred procedure	Third most preferred procedure	Fourth most preferred procedure
30–40 years	423	Trabeculotomy, ab interno	Xen^a	iStent (two devices)^a	Canaloplasty, ab interno
41–50 years	174	Trabeculotomy, ab interno	Xen^a	iStent (two devices)^a	Traditional trabeculectomy
51–60 years	180	Xen^a	Traditional trabeculectomy	iStent (two devices)^a	Trabeculotomy, ab interno
61–70 years	66	Traditional trabeculectomy	Xen^a	Trabeculotomy, ab interno	iStent (two devices)^a
71 years or older	14	Traditional trabeculectomy	Xen^a	ExPRESS^b trabeculectomy	^b

^aiStent (Glaukos, San Clemente, CA, USA), Xen gel stent (Allergan, Dublin, Ireland), ExPRESS shunt (Alcon, Inc., Fort Worth, TX USA)

^bAll choices in the “71 years or older” group were aggregated in the top three choices