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. 2022 Jan 20;139(3):357–368. doi: 10.1182/blood.2021013531

Table 1.

Cohort characteristics

Characteristic Cohort Total
(N = 48 835)
COPDGene
(n = 8395)
Additional TOPMed studies
(n = 11 269)
ICGN and EOCOPD
(n = 1554)
UK Biobank
(n = 27 617)
Median age, y (IQR) 58.7 (51.8-66.3) 60.0 (53.0-67.0) 56.0 (49.7-63.1) 58 (51.0-63.0) 58.6 (51.3-64.0)
Patients with CHIP 478 (5.7) 566 (5.0) 92 (5.9) 1,588 (5.8) 2,724 (5.6)
COPD GOLD status
 2-4 3421 2282 1282 1459 8444
 3-4 1698 945 853 149 3645
 Mean predicted  FEV1% (SD) 73 (25.6) 87.7 (23) 47.7 (26.8) 100.8 (16.6) 91.3 (24.2)
Smoking status
 Smokers 8395 6515 1462 12 321 28 693
 Mean pack-years  (SD) 44.3 (25.0) 16.1 (24.7) 42.0 (26.7) 6.2 (13.12) 16.1 (24.1)

Data represent no. (%) unless otherwise specified.

IQR, interquartile range; SD, standard deviation.