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Table 3 Number of exacerbations per patient-year according to post-bronchodilator FEV1 RoD quartiles.

From: Adverse health consequences in COPD patients with rapid decline in FEV1 - evidence from the UPLIFT trial

 

Tiotropium

Control

Rate ratio (tiotropium/control)*

(95% CI)

Q1

0.63

0.80

0.79 (0.69 to 0.91)

Q2

0.64

0.83

0.77 (0.68 to 0.88)

Q3

0.75

0.78

0.96 (0.85 to 1.09)

Q4

0.85

0.91

0.93 (0.82 to 1.06)

  1. *Rate ratio based on Poisson regression with adjustment for overdispersion.
  2. Abbreviations: FEV1, forced expiratory volume in 1 second; RoD, rate of decline; CI, confidence interval.
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Respiratory Research

ISSN: 1465-993X

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