Insights into Imaging

Table 2 Patient characteristics (n = 974)

From: Diagnostic yield of CT thorax angiography in patients suspected of pulmonary embolism: independent predictors and protocol adherence

Sex (%)	530 female (54.4)
Age distribution	≤50 years: 148
	>50 years: 382
	444 male (45.6)
	≤50 years: 83
	>50 years: 361
Average age [years (SD)]	63 (16.7)
	Female: 63 (17.8)
	Male: 64 (15.3)
Known mortality in 1 year[n (%)]	193 (19.8)
	Pulmonary embolism: 7
	Other cause: 58
	Unknown cause: 127
Morbidity [n (%)]	Malignancy 272 (27.9)
	Cardiac history 251 (25.8)
	COPD 125 (12.8)
	Surgery within past 4 weeks 132 (13.6)
Pulmonary embolism on CTPA [n (%)]	224 (23.0)
Pulmonary embolism on CTPA [n (%)]	Undiagnostic: 38 (3.9)

SD standard deviation, CTPA computed tomography scan of the pulmonary arteries, COPD chronic obstructive pulmonary disease

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