Prognosis of incidental pulmonary embolism vs. symptomatic pulmonary embolism in cancer patients: a single-center retrospective cohort study in China

Table 2 Clinical characteristics of IPE and SPE.

Characteristics	IPE	SPE	P-value
Time of diagnosis
	N = 88	N = 92
Before cancer diagnosis	2 (2.3)	14 (15.2)	0.00^*
	N = 86	N = 78
Within 6 months after cancer diagnosis	54 (62.8)	43 (55.1)	0.32
Within 2 years after cancer diagnosis	73 (84.9)	64 (82.0)	0.63
Symptom	N = 88	N = 92
Hemoptysis	0 (0.0)	6 (6.5)	0.029^*
Dyspnea	4 (4.5)	68 (73.9)	<0.001^*
Cough	2 (2.3)	26 (28.3)	< 0.001^*
Fatigue	5 (5.7)	30 (32.6)	< 0.001^*
Chest pain	1 (1.1)	21 (22.8)	< 0.001^*
Location	N = 88	N = 92
Main or lobar	55 (62.5)	10 (10.9)	< 0.001^*
Main, lobar, or segmental	84 (95.4)	40 (43.5)	< 0.001^*
Multiple	60 (68.2)	92 (100.0)	< 0.001^*
Bilateral	29 (32.9)	71 (77.2)	< 0.001^*

Data are presented as n (%)
IPE, incidental pulmonary embolism; SPE, symptomatic pulmonary embolism; PE, pulmonary embolism; * means P < 0.05

ISSN: 1477-9560