CI	confidence interval
CSF	cerebrospinal fluid
EEA	endoscopic endonasal approach
GTR	gross total resection
IQR	interquartile range
OR	odds ratio
P	progression
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
QoL	quality of life
R	recurrence
XRT	radiation therapy
STR	subtotal resection