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. 2015 Nov 18;10:2525–2533. doi: 10.2147/COPD.S94211

Table 5.

CT measured indexes and sPAP in linear regression analysis

Index r r2 Sig (P-value)
MPA 0.508 0.258 P<0.001
RPA 0.405 0.164 P=0.001
LPA 0.271 0.073 P=0.023
MPA/AAo 0.544 0.296 P<0.001
MPA/DAo 0.594 0.353 P<0.001

Abbreviations: CT, computed tomography; sPAP, systolic pulmonary artery pressure; MPA, main pulmonary artery; RPA, right pulmonary artery; LPA, left pulmonary artery; AAo, ascending aorta; DAo, descending aorta; Sig, significance.