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Table 7 Correlation between the PAOI and LA/RA radiologic parameters in current study and study by Aviram et al.

From: Correlation of qanadli obstruction index (QOI) and atrial size on CT pulmonary angiography (CTPA) in patients with pulmonary thromboembolism

Study LA/RA long diameter LA/RA short diameter LA/RA area
Current study r − 0.445 r − 0.847 r − 0.898
p + 0.002 p + 0.000 p + 0.000
Aviram et al. [[2]] r − 0.246 r − 0.453 r − 0.447
p + 0.004 p < 0.001 p < 0.001
  1. Abbreviations: LA: left atrium; PAOI: Pulmonary atrial obstruction index; RA: Right atrium