Table 5.

Postoperative symptoms improvement in patients with cholesterol granuloma of the petrous apex

Symptom	Surgical Approach	Reported symptom outcome	Symptom improvement (%)	p
HL	EN	13/14 (93%)	92.3	<0.001
	OP*	88/121 (72%)	23.4
Headache	EN	33/37 (89%)	93.9	0.46
	OP	15/66 (23%)	93.8
Vertigo /	EN	9/11 (82%)	88.9	0.53
disequilibrium	OP	9/55 (16%)	90
Diplopia	EN	10/15 (67%)	90	0.43
	OP	22/24 (92%)	86.4
Paresis / paralysis	EN	0/3 (0%)	N/A	N/A
	OP	5/21 (24%)	50
Paresthesia / pain	EN	3/3 (100%)	66.7	0.3

EN: Endoscopic endonasal; OP: open; N/A: not applicable.

^*Excluding all nonhearing-sparing approaches.