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. 2020 May 4;20:123. doi: 10.1186/s12890-020-1148-4

Table 5.

Vitamin D concentration effects on imaging characteristicsa

Vitamin D Effect Estimatec Standard Error p value
% emphysema −0.018 0.020 0.36
15th percentile of lung density histogram (+ 1000 HU) 0.11 0.059 0.074
% gas trapping −0.012 0.043 0.78
Segmental airway wall thickness −0.0013 0.00049 0.0085
Pi10b −0.0017 0.0015 0.26
Segmental wall area % −0.033 0.020 0.098
Change in % emphysema −0.020 0.011 0.056
Change in % gas trapping −0.065 0.0263 0.014
Change in segmental airway wall thickness −0.00014 0.00032 0.65

aEach row represents the result of a separate regression model

bsquare root of wall area of hypothetical airway with 10 mm internal perimeter

cCovariates in linear regression models include age, race, gender, BMI, current smoking status, and scanner model