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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Int Forum Allergy Rhinol. 2015 Dec 17;6(4):373–377. doi: 10.1002/alr.21674

Figure 1. Workflow of Patients Included in Asthma Prevalence Analysis.

Figure 1

Four hundred and ten new and established patients with chronic rhinosinusitis seen in the ENT clinic between October 2013 - October 2014 comprised the initial cohort. This population was screened and underwent PFT as indicated to calculate the number of patients with asthma in each CRS subtype.