Table 4.

Comparison of mean improvement in outcome measures between CRS patients with and without GERD.

	History of GERD		No GERD History
QOL Improvement:	Mean (SD)	Range	Mean (SD)	Range	p-value
	(n=72)		(n=157)
RSDI physical subscale	−9.3 (9.0)	[−44, 11]	−9.2 (9.2)	[−35, 27]	0.926
RSDI functional subscale	−7.8 (8.0)	[−24, 7]	−7.3 (7.6)	[−32, 13]	0.644
RSDI emotional subscale	−5.7 (8.3)	[−28, 16]	−5.8 (7.2)	[−31, 14]	0.884
RSDI total	−22.7 (22.1)	[−92, 25]	−22.2 (21.4)	[−92, 50]	0.878
	(n=37)		(n=112)
CSS symptom subscale	38.0 (27.8)	[−17, 100]	31.8 (33.3)	[−67, 100]	0.303
CSS medication subscale	12.2 (30.6)	[−59, 100]	10.8 (26.2)	[−42, 84]	0.791
CSS total	25.1 (23.7)	[−30, 88]	21.3 (22.5)	[−46, 75]	0.378
	(n=35)		(n=45)
SNOT-22	−21.0 (20.4)	[−71, 27]	−29.1 (26.0)	[−100, 65]	0.134

CRS, chronic rhinosinusitis; GERD, gastroesophageal reflux disease; QOL, quality of life; SD, standard deviation; RSDI, Rhinosinusitis Disability Index; CSS, Chronic Sinusitis Survey; SNOT-22, 22-item Sinonasal Outcome Test