Table 3. Multivariable Analysis of Comorbidity, Cephalometric, Intraoperative, and Postoperative Variables and Olfactory Dysfunction.

Variable	aRR (95% CI)
Smoking history	1.54 (0.95-2.51)
Skull base angle No. 1	0.98 (0.96-0.99)
Abdominal fat grafting	2.95 (1.89-4.60)
Time since ETSH, mo	0.93 (0.91-0.95)

Abbreviations: aRR, adjusted relative risk; ETSH, endoscopic transsphenoidal hypophysectomy.