Table 1 Patient demographics and comorbidities

Mean age (SD), year

64.8 (16.2)

Male, n (%)

36 (64.2)

Racial background, n (%)

 Caucasian

21 (37.5)

 Black

11 (19.6)

 Hispanic

10 (17.9)

 Asian

12 (21.4)

 Other/mixed

2 (3.6)

Comorbidities, n (%)

 Hypertension

39 (69.6)

 Diabetes mellitus

26 (46.4)

 Coronary artery disease

13 (23.2)

 Chronic kidney disease

12 (21.4)

 Gastroesophageal reflux disease/peptic ulcer disease

10 (17.9)

 Congestive heart failure

10 (17.9)

 Cerebrovascular accident

9 (16.1)

 End stage renal disease on hemodialysis

8 (14.3)

 Atrial fibrillation

7 (12.5)

 Asthma

4 (7.1)

 Substance related condition

4 (7.1)

 Chronic obstructive pulmonary disease

3 (5.4)

 Valvular heart disease

2 (3.6)

 Hepatitis B or C

1 (1.8)

 Common variable immunodeficiency

1 (1.8)

 Bronchiectasis

0

 Active malignancy

0

Anticoagulation or antiplatelet medications prior to admission, n (%)

 Aspirin only

12 (21.4)

 Aspirin and clopidogrel

4 (7.1)

 Rivaroxaban

2 (3.6)

 Apixaban

1 (1.8)

 Enoxaparin

1 (1.8)

 Warfarin

1 (1.8)