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Table 1 Factors associated with OHCA caused by PE

From: Improving identification of pulmonary embolism-related out-of-hospital cardiac arrest to optimize thrombolytic therapy during resuscitation

 PE-related OHCA (n = 260)Other etiologies (n = 10,142)Chi2 Pearson pMultivariate logistic regression adjusted odds ratio [95% CI]p
Female, n (%)139 (53.5)3204 (31.6)< 0.0012.0 [1.5–2.5]< 0.001
Age < 50 y, n (%)67 (25.8)2101 (20.7)0.0481.5 [1.1–2.0]0.01
Absence of known heart disease, n (%)170 (65.4)5790 (57.1)0.0081.3 [1.0–1.7]0.05
History of respiratory disease, n (%)35 (13.4)1350 (13.3)0.94  
History of diabetes, n (%)34 (13.1)1407 (13.9)0.71  
Absence of known comorbidities, n (%)43 (16.5)1431 (14.1)0.27  
History of thromboembolism, n (%)8 (3.1)41 (0.4)< 0.001a6.4 [2.7–13.5]< 0.001
History of cancer, n (%)25 (9.6)535 (5.3)0.0021.6 [1.0–2.3]0.04
Initial nonshockable, No. (%)245 (94.2)5947 (58.6)< 0.00110.4 [6.4–18.4]< 0.001
  1. aFisher’s exact test
  2. PE pulmonary embolism, OHCA out-of-hospital cardiac arrest