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. 2021 Jul 12;35:89. doi: 10.47176/mjiri.35.89

Table 3. The correlation of important oscillometry parameters in early diagnosis of COPD.

Parameters Pearson Correlation p
Z5 & R5 0.926 <0.001
Z5 & R20 0.882 <0.001
R5 & R20 0.949 <0.001