Table 3. Pre-operative and post-operative SNOT-22 total scores and mean otologic symptom scores for whole cohort and subgroups.

	Whole Cohort (n=395)		CRSwNP (n=149)		CRSsNP (n=246)		Primary Surgery (n=180)		Revision Surgery (n=215)
	Pre-operative mean [SD]	Post-operative mean [SD]	Pre-operative mean [SD]	Post-operative mean [SD]	Pre-operative mean [SD]	Post-operative mean [SD]	Pre-operative mean [SD]	Post-operative mean [SD]	Pre-operative mean [SD]	Post-operative mean [SD]
Total score	53.1[19.7]	29.0[21.6]	55.0[20.0]	28.5[20.8]	52.0[19.6]	29.2[22.1]	51.4 [19.1]	23.5 [18.4]	54.6 [20.2]	33.6 [23.0]
Ear fullness	2.3[1.6]	1.2[1.4]	2.3[1.6]	1.0[1.3]	2.3[1.6]	1.3[1.4]	2.3 [1.6]	0.9 [1.2]	2.2 [1.6]	1.4 [1.5]
Dizziness	1.3[1.4]	0.7[1.1]	1.2[1.4]	0.6[1.1]	1.4[1.4]	0.7[1.2]	1.4 [1.3]	0.6 [1.1]	1.3 [1.5]	0.7 [1.2]
Ear pain	1.2[1.4]	0.6[1.1]	1.2[1.4]	0.5[1.0]	1.3[1.3]	0.9[1.1]	1.2 [1.3]	0.5 [0.9]	1.2 [1.4]	0.8 [1.2]

All postoperative improvements are significant (p<0.001); CRSwNP, chronic rhinosinusitis with nasal polyps; CRSsNP, chronic rhinosinusitis without nasal polyps