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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Clin Respir J. 2020 Dec 2;15(4):389–399. doi: 10.1111/crj.13310

Figure 2:

Figure 2:

Scatter plots showing (A) Forced Expiratory Volume in 1 second % Predicted (FEV1 %), (B)Forced Vital Capacity % Predicted (FVC %), (C) FEV1/FVC Ratio and (D) six minute walk distance % Predicted (SMWD%), plottedagainst levels of vitamin D for Non COPDand COPD subjects.

(Non COPDsubjects are denoted by⃝ symbol and dotted trend line. COPD subjects are denoted by▴symboland solid trend line. PlotA: Non COPD r-0.04, p0.68, COPDr0.12, p0.24; PlotB: Non COPD r-0.16, p0.12, COPDr0.8, p0.46; PlotC: Non COPD r-0.1, p0.32, COPDr0.14 p0.18; PlotD: Non COPD r0.09, p0.38, COPD r0.36, p<0.001).