. Author manuscript; available in PMC: 2019 Jun 1.

Published in final edited form as: Vasc Med. 2019 Mar 5;24(3):230–233. doi: 10.1177/1358863X18824650

Table 1.

Baseline characteristics of the study population in the National Inpatient Sample with massive PE receiving ECMO therapy, 2005–2013 (n = 219 hospitalizations).

Baseline characteristics	n = 219
Age ± SD	42 years (± 17.9)
Male sex	148 (67.6%)
Ethnicity
White	113 (51.7%)
Black	40 (18.4%)
Hispanic	20 (9.1%)
Other	16 (6.9%)
Diabetes	65 (29.6%)
Hypertension	89 (40.9%)
Peripheral vascular disease	15 (6.9%)
Chronic kidney disease	NR
Congestive heart failure	93 (42.5%)
Coagulopathy	95 (43.4%)
Chronic pulmonary disease	20 (9.1%)
Urban non-teaching hospital	NR
Urban teaching hospital	209 (95.6%)

ECMO, extra-corporeal membrane oxygenation; NR, not reportable (events less than 11 should not be reported per Healthcare Cost and Utilization Project regulations).