An Analysis of Patients That Underwent Computed Tomography Pulmonary Angiography with the Prediagnosis of Pulmonary Embolism in the Emergency Department

Table 5

CT findings and frequencies in PE and non-PE patients.

BT findings	PE (%)	Non-PE (%)	Total
Consolidation	6 (4.1)	83 (17.9)	89	𝑃<0.001
Ground glass opacification	18 (12.4)	165 (35.3)	183	𝑃<0.001
Bronchiectasis	6 (4.1)	48 (10.3)	54	𝑃=0.004
Atelectasis	34 (23.4)	244 (52.5)	278	𝑃<0.001
Fibrosis	2 (1.3)	52 (11.2)	54	𝑃<0.001
Emphysema	5 (3.4)	96 (20.6)	101	𝑃<0.001
Lymphadenopathy	3 (2)	39 (8.4)	42	𝑃<0.001
Pleural effusion	22 (15.1)	161 (34.6)	183	𝑃<0.001
Mass	2 (1.3)	29 (6.2)	30	𝑃<0.001
New	—	14 (2)
Old	2 (1.3)	14 (2)
Metastatic lesion	1 (0.6)	11 (2.3)	11	𝑃=0.088
New	1 (0.1)	3 (0.4)
Old	—	8 (1.1)
Other
Pulmonary HT	4 (2.7)	19 (4.0)	23	𝑃=0.416
Cardiomegaly	—	8 (1.1)	8
Pericardial effusion	6 (4.1)	10 (2.1)	16	𝑃=0.267
Aortic aneurysm	—	22 (3.2)	22
Aortic dissection	—	9 (1.3)	9
Pneumothorax	—	7 (1)	7
Herniation	—	1 (0.1)	1
Bullae	—	1 (0.1)	1
Hepatic cyst	—	1 (0.1)	1

Two-proportion 𝑍 test is used.