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Table 6 Correlation between the PAOI and radiologic parameters of right atrium in current and related previous studies

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

Study RA long diameter RA short diameter RA area
Current study r + 0.359 r + 0.439 r + 0.478
p + 0.015 p + 0.003 p + 0.001
Langroudi et al. [[1]] r − 00.089 r + 0.334 r + 0.041
p + 0.538 p + 0.018 p + 0.776
Aviram et al. [[2]] r + 0.204 r + 0.309 r + 0.276
p + 0.017 p < 0.001 p + 0.001
  1. Abbreviations: LA: left atrium; PAOI: Pulmonary atrial obstruction index; RA: Right atrium