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Table 4 Sex differences in CT density changes (n = 56)

From: Inflammation in sputum relates to progression of disease in subjects with COPD: a prospective descriptive study

 

Men (n = 29)

Women (n = 27)

p value

Upper Zone

-0.6

-2.2

p = 0.006

Perc15 (HU)

(-2.11 to 0.8)

(-5.2 to -0.7)

 

Upper Zone

0.17

0.46

p < 0.03

VI -950HU (%)

(-0.27 to 0.70)

(0.15 to 1.08)

 

Lower Zone

0.23

-1.89

p < 0.05

Perc15 (HU)

(-1.68 to 1.71)

(-5.67 to 0.03)

 

Lower Zone

0.12

0.24

not significant

VI -950HU (%)

(-0.17 to 0.57)

(0.04 to 0.79)

 
  1. The data was not normally distributed and therefore is presented as median with interquartile range in parentheses. All values are presented as a standardized annual rate of change.
  2. VI = voxel index, Perc15 = 15th percentile point, HU = Hounsfield Units
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Respiratory Research

ISSN: 1465-993X

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