Table 5.
Anchor | Symptoms | P Value | Activity | P Value | Impacts | P Value | Total | P Value |
FEV1 | .01 | .006 | .16 | .01 | ||||
≤ −11.2% (Q1) | −0.12 ± 14.6 | .017 | −1.71 ± 8.76 | .06 | 0.95 ± 12.1 | .025 | −0.13 ± 7.98 | .006 |
−11.2% to −3.4% (Q2) | 1.45 ± 13.1 | .015 | 1.31 ± 9.84 | .004 | −0.34 ± 9.96 | .17 | 0.34 ± 8.16 | .01 |
−3.4% to 4.4% (Q3) | 4.57 ± 21.4 | .002 | 3.26 ± 8.43 | .001 | −2.30 ± 13.1 | .24 | 0.66 ± 10.0 | .007 |
> 4.4% (Q4) | −13.4 ± 14.6 | Ref | −6.46 ± 8.20 | Ref | −6.25 ± 12.8 | Ref | −7.53 ± 10.0 | Ref |
Dlco | .6 | .5 | .6 | .6 | ||||
≤ −9.9% (Q1) | −3.74 ± 15.2 | .736 | 0.65 ± 8.57 | .418 | −1.83 ± 13.1 | .363 | −1.29 ± 8.42 | .388 |
−9.9% to −4.7% (Q2) | 2.27 ± 18.5 | .193 | 0.06 ± 8.28 | .559 | −2.06 ± 10.1 | .582 | −0.82 ± 8.58 | .402 |
−4.7% to 4.7% (Q3) | −1.02 ± 15.9 | .438 | −3.14 ± 9.75 | .522 | −3.15 ± 11.7 | .687 | −2.92 ± 9.98 | .789 |
> 4.7% (Q4) | −4.60 ± 20.1 | Ref | −1.04 ± 11.1 | Ref | −2.20 ± 13.9 | Ref | −2.07 ± 11.8 | Ref |
6MWD | .7 | .02 | .17 | .04 | ||||
≤ −2.3% (Q1) | −1.03 ± 17.9 | .400 | 2.87 ± 7.73 | .05 | 1.81 ± 11.9 | .233 | 2.02 ± 9.18 | .06 |
−2.3% to 4.5% (Q2) | 2.54 ± 22.7 | .241 | 0.97 ± 6.53 | .37 | −0.75 ± 9.35 | .662 | 0.34 ± 7.99 | .36 |
4.5% to 17.1% (Q3) | −3.32 ± 14.5 | .449 | −5.41 ± 10.8 | .26 | −6.56 ± 14.8 | .301 | −5.88 ± 10.2 | .33 |
> 17.1% (Q4) | −5.53 ± 11.9 | Ref | −2.22 ± 10.7 | Ref | −2.60 ± 11.4 | Ref | −2.88 ± 9.41 | Ref |
Log(VEGF-D) | .04 | .8 | .5 | .16 | ||||
≤ −9.0% (Q1) | −7.54 ± 15.3 | .7 | −2.22 ± 8.43 | .602 | −5.97 ± 16.1 | .452 | −5.17 ± 11.6 | .437 |
−9.0% to −3.7% (Q2) | −2.70 ± 18.4 | .4 | −2.48 ± 9.75 | .859 | −0.78 ± 11.6 | .628 | −1.51 ± 10.1 | .440 |
−3.7% to 0.8% (Q3) | 6.29 ± 17.9 | .02 | 1.43 ± 9.65 | .625 | 2.76 ± 11.5 | .505 | 2.95 ± 9.03 | .158 |
> 0.8% (Q4) | −4.88 ± 12.8 | Ref | 0.14 ± 10.8 | Ref | −3.27 ± 8.49 | Ref | −2.44 ± 5.86 | Ref |
Values are mean ± SD. Boldface numbers are P values for comparison across SGRQ means within anchor; other P values correspond to pairwise comparisons of SGRQ means with anchor using Q4 as the reference. See Table 1 legend for expansion of abbreviations.