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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: J Acquir Immune Defic Syndr. 2020 Mar 1;83(3):267–277. doi: 10.1097/QAI.0000000000002255

Table 3.

Biomarker factor correlates of airflow limitation (3A), mosaic attenuation (3B), and combined mosaic attenuation and airflow obstruction outcome [representing obliterative bronchiolitis] (3C)

3A. Biomarker factor correlates of airflow limitation, multivariable linear regression analyses
Serum biomarkers* Multivariable model (β, 95% CI) p-value Multivariable model adjusted for age and sex (β, 95% CI) p-value
Factor 1 – Inflammation (SAA, IL-6, CRP, sTREM-1) −0.15 (−0.50 – 0.21) 0.41 −0.34 (−0.77 – 0.10) 0.13
Factor 2 – Endothelial and innate immune activation (sCD163, sVCAM-1, sICAM-1, Ang-2/Ang-1 ratio) −0.42 (−0.78 – −0.06) 0.02 −0.56 (−0.92 – −0.21) 0.003
Factor 3 – Endothelin-1 −0.13 (−0.53 – 0.27) 0.51 −0.12 (−0.56 – 0.31) 0.57
Factor 4 – sCD14 −0.36 (−0.72 – 0.01) 0.06 −0.30 (−0.60 – 0.00) 0.05
3B. Biomarker factor correlates of mosaic attenuation, multivariable logistic regression analyses
Serum biomarkers* Multivariable model (OR, 95% CI) p-value Multivariable model adjusted for age and sex (OR, 95% CI) p-value
Factor 1 – Inflammation (SAA, IL-6, CRP, sTREM-1) 1.09 (0.60 – 1.98) 0.78 0.78 (0.39 – 1.56) 0.49
Factor 2 – Endothelial and innate immune activation (CD163, sVCAM-1, sICAM-1, Ang-2/Ang-1 ratio) 1.24 (0.68 – 2.29) 0.48 1.11 (0.58 – 2.12) 0.75
Factor 3 – Endothelin-1 1.02 (0.55 – 1.91) 0.94 1.19 (0.59 – 2.41) 0.63
Factor 4 – sCD14 1.56 (0.84 – 2.89) 0.16 1.84 (0.93 – 3.64) 0.08
3C. Biomarker factor correlates of combined mosaic attenuation and airflow obstruction outcome (representing obliterative bronchiolitis), multivariable logistic regression analyses
Serum biomarkers* Multivariable model (OR, 95% CI) p-value Multivariable model adjusted for age and sex (OR, 95% CI) p-value
Factor 1 – Inflammation (SAA, IL-6, CRP, sTREM-1) 1.22 (0.60 – 2.48) 0.58 1.07 (0.44 – 2.60) 0.87
Factor 2 – Endothelial and innate immune activation (CD163, sVCAM-1, sICAM-1, Ang-2/Ang-1 ratio) 1.51 (0.60 – 3.80) 0.39 1.72 (0.75 – 3.92) 0.20
Factor 3 – Endothelin-1 1.31 (0.62 – 2.77) 0.47 2.05 (0.68 – 6.18) 0.74
Factor 4 – sCD14 3.42 (1.25 – 9.30) 0.02 4.47 (1.50 – 13.4) 0.007
*

Log10-transformed biomarkers were used for factor analyses

NOTE: n = 43 for these multivariable analyses; airflow limitation = lower post-bronchodilator FEV1/FVC z-score; airflow obstruction = post-bronchodilator FEV1/FVC z-score < −1.64