Table 4. Univariate analysis of predictors of subtotal resection and intraoperative and postoperative CSF leak.

Factor	Subtotal resection ( p )	Intraoperative CSF leak ( p )	Postoperative CSF leak ( p )
Age	0.124	0.488	0.889
Sex	0.002*	0.464	0.922
BMI	0.989	0.237	0.229
Non-adenoma pathology	<0.001*	0.038	0.408
Lesion size	<0.001*	0.031	0.014
Recurrent lesion	<0.001*	0.001*	0.796
Prior radiation therapy	0.015	0.030	0.999
Suprasellar extension	<0.001*	0.002*	0.151
Cavernous sinus invasion	<0.001*	0.900	0.145

Abbreviation: BMI, body mass index; CSF, cerebrospinal fluid.

*Statistical significance at the 0.006 level.