Allergic sensitization in Canadian chronic rhinosinusitis patients

Table 1 Chi-squared analyses of skin prick test (SPT) reactivity among CRS patients (n = 99) and control patients (n = 44)

SPT extract	CRS positive^†			CRS negative^‡			Odds ratio	Lower 95% CI	Upper 95% CI	p value
	n	n pos	%pos	n	n pos	%pos
Perennial
Cat	99	29	29.29	44	5	11.36	3.23	1.16	9.02	0.02
Dust Mite	99	29	29.29	44	7	15.91	2.19	0.88	5.48	0.09
Dog	99	13	13.13	44	2	4.55	3.17	0.68	14.72	0.15
Cockroach	99	0	0	44	0	0	nc	nc	nc	nc
Mouse	99	0	0	44	0	0	nc	nc	nc	nc
Seasonal
Ragweed	99	40	40.40	44	10	22.73	2.31	1.02	5.19	0.05
June	99	30	30.30	19	4	21.05	1.63	0.50	5.32	0.58
Black Birch	99	21	21.21	44	6	13.64	1.71	0.64	4.57	0.35
Timothy	99	19	19.19	43	3	6.98	3.16	0.88	11.34	0.08
Orchard	99	19	19.19	19	3	15.79	1.26	0.33	4.79	1
Sweet	99	19	19.19	19	2	10.53	2.02	0.43	9.49	0.52
Ash	99	16	16.6	20	3	15	1.09	0.29	4.17	1
Cocklebur	99	10	10.10	19	0	0	0.82	0.76	0.89	0.36
Maple	99	9	9.09	20	0	0	0.82	0.75	0.89	0.35
Willow	99	7	7.07	20	1	5.00	1.45	0.17	12.44	1.00
Oak	99	7	7.07	20	0	0	0.82	0.75	0.89	0.59
Poplar	99	5	5.05	20	1	5.00	1.01	0.11	9.15	1
Elm	99	4	4.04	20	0	0	0.83	0.76	0.89	1
Pine	99	2	2.02	20	1	5.00	0.39	0.03	4.54	0.43
Fungal
*Alternaria alternata*	99	36	36.36	43	5	11.63	4.34	1.57	12.02	0.003
Hormodendrum	99	14	14.14	20	0	0	0.81	0.74	0.89	0.12
Cephalosporium	99	5	5.05	20	0	0	0.82	0.76	0.89	0.59
Phoma	99	5	5.05	20	0	0	0.82	0.76	0.89	0.59
Aspergillus flavus	99	4	4.04	20	0	0	0.83	0.76	0.89	1
Fusarium	99	4	4.04	20	0	0	0.83	0.76	0.89	1
Penicillium	99	3	3.03	20	0	0	0.82	0.76	0.89	1
Cephalothecium	99	2	2.02	20	0	0	0.82	0.76	0.90	1
Helminthosporium	99	2	2.02	20	0	0	0.83	0.76	0.90	1
Rhizopus	99	1	1.01	20	0	0	0.83	0.77	0.90	1
Mucor	99	1	1.01	20	0	0	0.83	0.77	0.9	1
Monilia	99	0	0	20	0	0	nc	nc	nc	nc

ISSN: 1710-1492