. Author manuscript; available in PMC: 2016 Feb 17.

Published in final edited form as: Respiration. 2015 Oct 3;90(5):402–411. doi: 10.1159/000439544

Table 3.

Frequency of interlobar heterogeneity in GOLD stage III/IV patients

	Frequency of intralobar heterogeneity, %

	emphysema is heterogeneous within a lobe^a	emphysema is heterogeneous within a lobe^b
Upper lobe
Left	57	29
Right	75	40
Both	44	17

Middle lobe/lingula
Left	44	31
Right	35	12
Both	13	3

Lower lobe
Left	91	59
Right	97	78
Both	89	49

At least one lobe of the lung
Left	97	73
Right	100	83
Both	97	63

HI = Heterogeneity index.

Intralobar HI ≥1.15 for at least one segment in the lobe of interest.

Intralobar HI ≥1.30 for at least one segment in the lobe of interest.