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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Lancet Respir Med. 2017 Nov 13;5(12):956–967. doi: 10.1016/S2213-2600(17)30432-0

Table 3.

Imaging parameters for subjects stratified by mean blood or sputum eosinophils (Eos; cutoff 200/µL, or cutoff 1·25%, respectively).

Variable Blood
Eos<200/µL
(N=1262)
Blood
Eos≥200/µL
(N=1237)
P
value*
Sputum
Eos<1.25%
(N=656)
Sputum
Eos≥1.25%
(N=171)
P
value*
DENSITY MEASURES
TLC Left Upper Lobe %<−950 HU 3·22 (1·11 –11·84) 3·77 (1·20 –11·50) 0·66 2·24 (0·89 – 5·74) 2·88 (1·09 – 7·65) 0·046
TLC Right Upper Lobe %<−950 HU 2·78 (0·72 –12·97) 2·87 (0·73 –11·96) 0 76 1·73 (0·6 – 5·58) 2·43 (0·9 – 7·24) 0·011
TLC Left Lower Lobe %<–950 HU 2·09 (0·81–7·09) 2·42 (0·88–7·5) 0·23 1·60 (0·72 – 3·78) 1·98 (0·76 – 5·32) 0·044
RV BOTH Lungs %<−856 HU 17·4 (6·71–39·38) 18·91 (7·39–40·71) 0·28 12·52 (5·34–25·27) 17·20 (8·57–33·13) 0·001
PRM functional small airway disease 14 (4–33) 15 (4–34) 0·21 9 (3–22) 13 (6–26) 0·011
AIRWAY MEASURES
AVG WALL THICK apical right upper lobe 1·26 (1·15–1·37) 1·28 (1·16–1·39) 0·032 1·28 (1·18–1·38) 1·29 (1·19–1·42) 0·08
Taper Ratio - apical right upper lobe 0·038 (−0·01–0·086) 0·039 (−0·01–0·09) 0·87 0·03 (−0·01–0·08) 0·03 (−0·01–0·08) 0·93
*

Mann-Whitney rank sum test for continuous variables, results as median (25–75% interquartile range).