A decision tree built with parameters obtained by computed tomographic pulmonary angiography is useful for predicting adverse outcomes in non-high-risk acute pulmonary embolism patients

Table 5 Comparison of parameters between adverse outcome (+) group and adverse outcome (−) patients in CPE patients (mean ± SD)

	Adverse outcome (+) group (n = 31)	Adverse outcome (−) group (n = 103)	p value
Age (year)	62.42 ± 11.16	59.84 ± 13.36	0.330
Sex (male/female)	14/17	47/56	0.963
RA volume (ml)	58.72 ± 15.15	54.24 ± 12.96	0.143
LA volume (ml)	43.18 ± 13.17	57.45 ± 17.65	< 0.001
RV volume (ml)	67.85 ± 22.16	52.67 ± 12.55	< 0.001
LV volume (ml)	50.80 ± 8.96	62.89 ± 9.72	< 0.001
RA/LA volume ratio	1.56 ± 0.82	1.01 ± 0.34	< 0.001
RV/LV volume ratio	1.39 ± 0.67	0.85 ± 0.25	< 0.001
Obstruction area ratio	0.38 ± 0.23	0.11 ± 12	< 0.001
Clot aggressive volume ratio	0.33 ± 0.25	0.16 ± 0.15	0.001
Clot lesion length (mm)	41.09 ± 35.32	13.75 ± 22.45	< 0.001
Clot maximal diameter (mm)	35.24 ± 24.35	16.01 ± 15.37	0.036
Clot maximal area (mm²)	374.36 ± 383.67	78.49 ± 139.83	< 0.001

ISSN: 1465-993X