Table 1.

Demographics and clinical history of study participants

		Controls (n =28)		CRSwNP (n =14)
		No irrigation (n = 18)	Any irrigation (n = 10)	No irrigation (n = 7)	Any irrigation (n = 7)
		n (%)
Age
21–29		0 (0.0)	1 (10.0)	1 (14.3)	0 (0.0)
30–39		2 (11.1)	0 (0.0)	1 (14.3)	2 (28.6)
40–49		5 (27.8)	3 (30.0)	2 (28.6)	0 (0.0)
50–59		5 (27.8)	3 (30.0)	1 (14.3)	5 (71.4)
≥ 60		6 (33.3)	3 (30.0)	2 (28.6)	0 (0.0)
Previous indication for FESS
CRS		10 (55.6)	8 (80.0)	7 (100.0)	7 (100.0)
non-CRS		8 (44.4)	2 (20.0)	0 (0.0)	0 (0.0)
Side sampled
Right		9 (50.0)	5 (50.0)	4 (57.1)	2 (28.6)
Left		9 (50.0)	4 (40.0)	3 (42.9)	5 (71.4)
Unknown		0 (0.0)	1 (10.0)	0 (0.0)	0 (0.0)
Endoscopic findings
Normal mucosa Polyps		18 (100.0)	10 (100.0)	0 (0.0)	0 (0.0)
w/ inflammation only		0 (0.0)	0 (0.0)	3 (42.9)	0 (0)
w/ mucopurulence		0 (0.0)	0 (0.0)	0 (0.0)	1 (14.3)
w/ mucin		0 (0.0)	0 (0.0)	4 (57.1)	6 (85.7)
Nasal steroid spray use
Yes		5 (27.8)	5 (50.0)	3 (42.9)	6 (85.7)
No		13 (72.2)	5 (50.0)	4 (57.1)	1 (14.3)