Table V.

SNOT-22 subdomain analysis^*.

Subdomains	GERD	Non-GERD	p-value
Pre-operative SNOT-22 subdomains
Rhinologic symptoms	13.1 ± 1.2	13.4 ± 0.6	0.84
Extranasal rhinologic symptoms	6.0 ± 0.8	5.2 ± 0.3	0.48
Otologic/facial symptoms	8.1 ± 0.9	4.8 ± 0.3	< 0.001
Psychological dysfunction	13.8 ± 1.6	6.9 ± 0.6	< 0.001
Sleep dysfunction	11.0 ± 1.4	5.1 ± 0.5	< 0.001
SNOT-22 subdomains improvement
Rhinologic symptoms	-7.0 ± 1.1	-7.0 ± 0.6	0.90
Extranasal rhinologic symptoms	-3.4 ± 0.8	-3.3 ± 0.3	0.94
Otologic/facial symptoms	-5.5 ± 0.7	-3.1 ± 0.3	0.001
Psychological dysfunction	-8.5 ± 1.6	-3.5 ± 0.7	0.001
Sleep dysfunction	-6.0 ± 1.2	-2.3 ± 0.5	0.01
Post-operative SNOT-22 subdomains
Rhinologic symptoms	6.1 ± 1.0	6.5 ± 0.5	0.83
Extranasal rhinologic symptoms	2.5 ± 0.5	2.0 ± 0.3	0.43
Otologic/facial symptoms	2.6 ± 0.4	1.8 ± 0.2	0.04
Psychological dysfunction	5.3 ± 1.3	3.3 ± 0.5	0.14
Sleep dysfunction	5.1 ± 0.9	2.8 ± 0.3	0.01

Subdomain scores were presented as mean ± standard error. P-values were generated from Wilcoxon rank-sum test. SNOT-22: Sinonasal outcome test-item 22; GERD: Gastro-oesophageal reflux disease.