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Table 3 Factors associated with exacerbation frequency

From: Reduced rhinovirus-specific antibodies are associated with acute exacerbations of chronic obstructive pulmonary disease requiring hospitalisation

Univariate analysis β p 95% CI for β
*FEV1 % predicted −1.664 0.002 −2.700 – −0.628
*anti-VP1 IgG1 levels −0.440 0.001 −0.700 – −0.179
Use of inhaled steroids 0.978 0.092 −0.164 – 2.119
Multivariate analysis β p 95% CI for β
*FEV1 % predicted −1.388 0.007 −2.378 – −0.398
*anti-VP1 IgG1 levels −0.374 0.004 −0.625 – −0.123
  1. * variables were natural log-transformed.
  2. Only variables with p < 0.01 are shown in the table. r2 of the multivariate linear regression = 0.266.