Research Article

The Association between the Pulmonary Arterial Obstruction Index and Atrial Size in Patients with Acute Pulmonary Embolism

Table 1

Basic demographic and clinical information in case and control groups.

Patients  
(N = 50)
Controls  
(N = 36)
P value
Mean (SD), Median (IQR), N (%)Mean (SD), Median (IQR), N (%)

Male, n25 (50)20 (55.6)0.61
Age, year58.30 (17.93)55.14 (17.65)
Positive History of DM, n11 (22)3 (8.3)0.09
Positive History of HTN, n18 (36)9 (25)0.28
Positive History of Asthma, n1 (2)4 (11)0.07
Positive History of COPD, n2 (4)4 (11.1)0.20
Positive History of IHD, n6 (12.2)2 (5.6)0.30
Positive History of Smoking, n13 (26.7)10 (27.8)0.85
Hospital mortality, n3 (6)2 (5.6)0.93

Reflux Grade, n2 (1.44)1.69 (1.49)0.08

LA Long Diameter, cm6.39 (1.10)5.94 (1.16)0.07
LA Short Diameter, cm4.06 (0.98)3.54 (0.87)0.01
LA Height, cm5.07 (0.99)5.23 (0.81)0.42
LA Area, cm220.95 (7.02)17.75 (7.60)0.04
LA Volume, cm369.28 (36.80)58.52 (32.36)0.16

RA Long Diameter, cm5.13 (1.00)4.40 (1.01)0.01
RA Short Diameter, cm5.21 (0.87)4.87 (0.83)0.07
RA Height, cm7.47 (1.62)7.11 (1.16)0.25
RA Area, cm221.98 (6.48)17.35 (6.08)<0.01
RA Volume, cm3102.84 (45.60)78.38 (34.28)<0.01

Abbreviation: DM: diabetes mellitus; HTN: hypertension; IQR: interquartile range; LA: left atrium; RA: right atrium; SD: standard deviation.