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Table 2 Comparison of parameters between different risk stratification groups (mean ± SD)

From: 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

Parameter

Intermediate–high-risk group (n = 69)

Intermediate–low-risk group (n = 77)

Low-risk group (n = 195)

Age (year)

62.23 ± 12.20

62.42 ± 14.55

59.46 ± 15.43

Sex (male/female)

33/36

35/42

87/106

Adverse outcome (+)/(−)

20/49

10/67

8/187