Table 2. Method of reconstruction using free mucosal graft versus nasoseptal flap as distributed by grade of intraoperative CSF leak.

		Free mucosal graft		Total
		No	Yes
CSF leak grade	0	27	181	208
	1	21	24	45
	2	31	1	32
	3	14	0	15
Total		94	206	300
		Nasoseptal flap		Total
		No	Yes
CSF leak grade	0	187	21	208
	1	24	21	45
	2	1	31	32
	3	0	15	15
Total		212	88	300
7	3	Fat + NSF + rigid + Foley	3	Lumbar drain

Abbreviations: CSF, cerebrospinal fluid; NSF, nasoseptal flap.