CRP (μg/dl) | n | FEV1.0% Mean (SD) | Adjusted effect* (95% CI) |
---|---|---|---|
*Mean difference in percentage predicted FEV1 in category of CRP compared with reference category, adjusting for confounders (mentioned above) using linear regression. | |||
<102 | 318 | 94.1 (15.9) | 0 ref cat |
102.1–153.8 | 318 | 90.5 (18.4) | −1.9 (−4.4 to 0.7) |
153.9–264.5 | 319 | 88.6 (15.6) | −2.7 (−5.3 to −0.6) |
>264.6 | 318 | 80.9 (17.7) | −8.7 (−11.3 to −6.0) |
p<0.001 | p<0.001 |