Table 1. Preoperative characteristics of patients undergoing VS resection via MCF approach.

	CSF leak n  = 2 (3%)	No CSF leak n  = 64 (97%)	p -Value
Mean age (y)	51.0	51.7	0.95
Gender	1 male	31 males	1.00
	1 female	33 females
Mean BMI	33.7	29.3	0.30
Median BMI	33.7	28.9
BMI range (kg/m 2 )	31.8–35.5	19.4–42.6

Abbreviations: BMI, body mass index; CSF, cerebrospinal fluid; MCF, middle cranial fossa; VS, vestibular schwannoma.