Table 4.

Mean changes in SF-6D utility values across demographic, comorbid, and clinical characteristics (n=168)

	Utility Change after Endoscopic Sinus Surgery	Difference; Unadjusted
Variables:	Mean (SD); P-value*	P-value
Age:
18–49	0.084 (0.125); p<0.001
50–79	0.060 (0.113); p<0.001	0.205
Gender:
Male	0.062 (0.109); p<0.001
Female	0.081 (0.128); p<0.001	0.307
Asthma:
Present	0.065 (0.116); p<0.001
Absent	0.077 (0.122); p<0.001	0.522
Nasal polyposis:
Present	0.051 (0.099); p<0.001
Absent	0.092 (0.132); p<0.001	0.026
Allergy:
Present	0.096 (0.136); p<0.001
Absent	0.064 (0.112); p<0.001	0.122
Aspirin intolerance:
Present	0.058 (0.102); p<0.001
Absent	0.074 (0.121); p=0.023	0.591
Depression:
Present	0.048 (0.140); p=0.100
Absent	0.076 (0.115); p<0.001	0.274
Septal deviation
Present	0.064 (0.125); p=0.001
Absent	0.075 (0.118); p<0.001	0.619
History of prior sinus surgery
Yes	0.062 (0.115); p<0.001
No	0.087 (0.124); p<0.001	0.194

^*age was dichotomized at the median age value for this cohort