Epidemiology of Vasomotor Rhinitis

Table 3 Relative Rhinitis Prevalence by Author: Allergic Versus Nonallergic

Author	Year	N	AR%	NAR%	NAR Defined
Mullarkey et al[6]	1980	142	48	52	No history of allergen exacerbation. Negative skin tests or <2 PSTs unsupported by history and an IgE level <50 U/mL
Enberg[7]	1989	128	64	36	Negative SPTs and IDs to 36 allergens
Togias[8]	1990	362	83	17	Negative skin tests
Leynaert et al[10]	1999	1142	75	25	Negative SPTs to 9 allergens
Settipane et al[9]	2001	975	77*	23	Negative skin tests
Mercer et al[12]	2002	278	78	22	Negative SPTs to 20 allergens
Bachert et al[13]	2006	743	75	24	History only
Mølgaard et al[14]	2007	1186	77	23	Negative SPTs to 10 allergens
Schatz et al[15] †	2008	47,894	71	29	ICD9 Classification
Total		52,850	71	29

*Including 34% mixed.
†Subtotal without Schatz et al: 76% AR; 24% NAR.
Abbreviations: SPT, skin prick test; ID, intradermal; PST, positive skin test; ICD9, International Classification of Diseases, Ninth Revision.

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