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Table 5 correlation between the PAOI and radiologic parameters of left 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 LA long diameter LA short diameter LA area
Current study r − 0.044 r − 0.598 r − 0.376
p + 0.776 p + 0.000 p + 0.011
Langroudi et al. [[1]] r − 0.205 r − 0.380 r − 0.449
p + 0.152 p + 0.006 p + 0.001
Aviram et al. [[2]] r − 0.144 r − 0.327 r − 0.256
p + 0.096 p < 0.001 p + 0.003
  1. Abbreviations: LA: left atrium; PAOI: Pulmonary atrial obstruction index; RA: Right atrium