. Author manuscript; available in PMC: 2015 Jan 1.

Published in final edited form as: Respir Med. 2013 Nov 13;108(1):162–170. doi: 10.1016/j.rmed.2013.11.002

Table 4.

Multivariable Ordinal Logistic Regression: Final Model Predicting Sinus Disease Severity Using Stepwise Approach

Predictor	OR (95%CI)^*	P-value
IL-6 (log₁₀ pg/mL)	0.65 (0.42–1.00)	0.049
TNF-α (log₁₀ pg/mL)	2.31 (1.15–4.65)	0.018
PMN count, ×10³	0.69 (0.53–0.91)	0.008

Definition of abbreviations: OR = odds ratio; IL-6 = interleukin-6; TNF-α = tumor necrosis factor-alpha; PMN = polymorphonuclear neutrophils; 95%CI = 95% confidence interval.

Adjusted for exposure intensity. Omnibus test χ2(4) =15.30, P=0.004. Approximate likelihood-ratio test of proportionality of odds P=0.424. Brant Test of Parallel Lines P=0.347.