TABLE 1

Characteristics of ambulated and admitted patients

VariableAmbulated (n=136)Admitted (n=51)p-value
Age years (mean)61.365.80.14
Male gender65 (47.8)23 (45.1)0.87
Pulse rate beats·min−182.493.10.0001
Systolic BP mmHg137.3136.20.73
Oxygen saturation %95.993.60.000005
Use of oxygen2 (1.5)19 (37.3)0.0001
Respiratory rate breaths·min−117.820.00.0001
Temperature °C36.436.60.03
Altered mental status0 (0)1 (1.8)0.27
Heart failure6 (4.4)7 (13.7)0.057
Cancer27 (19.9)9 (17.6)0.89
Lung disease26 (19.1)13 (25.5)0.45
PESI score79.692.00.014
Intermediate-to-high risk patients52 (38.2)29 (56.9)0.66
Troponin ng·mL−10.003 (n=79)0.087 (n=34)0.7×10−6
Morning arrival91 (66.9)19 (37.3)0.0005
Re-admission rate13 (9.6)2 (3.9)0.36
All-cause mortality1 (0.7)3 (5.9)0.0625

Data is presented as n or n (%) unless otherwise stated. BP: blood pressure. PESI: Pulmonary Embolism Severity Index.