Table 3.

Complications after primary and revision FESS

	Primary Cases (n=78,944)	Revision Cases (n=4,151)
Complication	Patients, n (%)	Patients, n (%)	Unadjusted OR (95% CI)	P value
All major complications*	288 (0.36)	19 (0.46)	1.26 (0.79 to 2.00)	0.34
Skull base complications	103 (0.13)	≤10 (<0.25)†	--	0.51
Orbital complications	178 (0.23)	12 (0.29)	1.29 (0.71 to 2.30)	0.40

OR: odds ratio; CI: confidence interval;

^*Major complications category includes ≤10 cases with hemorrhagic complications;

^†Exact numbers not reported in accordance with HCUP data user agreement that prohibits reporting of ≤10 observations.