Table 1 Distribution of GOLD stages11 and the Fleischner visual scores8 in our data selection in the development set (dev) and the evaluation set (eval).

From: Emphysema subtyping on thoracic computed tomography scans using deep neural networks

(a) GOLD stages

GOLD stages

#subjects (dev)

#subjects (eval)

GOLD0

981

3178

GOLD1

182

570

GOLD2

440

1371

GOLD3

305

771

GOLD4

205

337

Non PFT

0

63

Non Smoking

70

36

PRISm

324

817

Total

2507

7143

(b) Centrilobular scores

Score

#subjects

(dev)

#subjects

(eval)

0 (0–1%)

782

2499

1 (1–5%)

431

1322

2 (5–10%)

478

1409

3 (10–20%)

430

1049

4 (20–30%)

275

656

5 (30–100%)

111

208

Total

2507

7143

(c) Paramseptal scores

Score

#subjects

(dev)

#subjects

(eval)

0 (0–1%)

1145

3857

1 (1–5%)

739

1865

2 (5–100%)

623

1421

Total

2507

7143

  1. No PFT spirometry data not available, PRISM preserved ratio impaired spirometry12.