Table 2.

Characteristics of studies included

Study	Study design	Participants included	Intervention and control	Location and study period	Follow-up	Patient-relevant outcomes
Carlson 2021a [18, 19]	Non-randomized prospective controlled trial, single centre	166	sfSRS MR	USA 2005–2019	2.1 years (mean)	Facial palsy Hearing function Vertigo Headaches Tinnitus Balance function Adverse events Health-related quality of life
Myrseth 2009 [20]	Non-randomized prospective controlled trial, single centre	91	sfSRS MR	Norway 2000–2007	2.0 years	Mortality Facial palsy Hearing function Vertigo Tinnitus Balance function Work disability Adverse events Length of hospital stay Health-related quality of life
Pollock 2006 [21]	Non-randomized prospective controlled trial, single centre	82	sfSRS MR	USA 2000–2002	42 months (mean)	Facial palsy Hearing function Vertigo Headaches Adverse events Length of hospital stay Health-related quality of life

MR microsurgical resection, sfSRS single-fraction stereotactic radiosurgery 

^athis is a 3-arm study. Data on the study arm with the treatment strategy of “watch and wait” are not presented