Table 3 Association between LEP Score, Δ%LAA-950, and various COPD Outcomes over a 5-year Period according to the risk groups defined by the quartiles Q1 = 0%–25%, Q2 = 25%–50%, Q3 = 50%–75%, and Q4 = 75%–100%

From: Emphysema progression risk in COPD using a localized foundational model of density evolution

Outcomes (n = 3728)

LEP Score, mean (std)

Δ%LAA-950, mean (std)

Q1

Q2

Q3

Q4

p-val

Q1

Q2

Q3

Q4

p-val.

FEV1/FVC @ P2

0.8 (0.1)

0.7 (0.1)

0.7 (0.1)

0.5 (0.2)

<0.001

0.7 (0.1)

0.7 (0.1)

0.7 (0.1)

0.6 (0.2)

<0.001

Change of FEV1 [ml/yr]

−30.3 (46.0)

−35.8 (48.6)

−40.9 (47.7)

−46.2 (48.7)

<0.001

−41.5 (48.0)

−39.2 (49.1)

−33.5 (47.1)

−39.0 (48.0)

0.004

Dlco @ P2

18.8 (5.2)

19.7 (5.6)

19.7 (6.2)

15.0 (7.0)

<0.001

19.1 (6.3)

19.1 (5.7)

19.1 (6.0)

15.9 (6.8)

<0.001

Change dist. walked [feet]

−102.7 (343.4)

−139.5 (360.2)

−141.2 (356.3)

−173.2 (370.7)

0.001

−138.9 (347.2)

−118.8 (360.6)

−139.1 (335.9)

−160.1 (387.8)

0.111

Change MMRC

−0.1 (1.4)

0.0 (1.2)

0.1 (1.1)

0.2 (1.2)

<0.001

0.0 (1.0)

−0.0 (1.3)

0.0 (1.2)

0.2 (1.3)

<0.001

  1. This table summarizes the associations and contrasts between low and high-risk groups based on the LEP score, as well as between slow and fast emphysema progressors as defined by changes in measured %LAA-950.