Table 1 cohort demographics

age

median = 37 years; IQR = 23–57; range 18–101.

gender

57% male

race

83% white; 14% black; 3% hispanic

marital status

61% single, 27% married, 7% divorced or separated, 6% unknown

taking an anti-thrombotic agent?

11% on some agent. 3% warfarin; 7% aspirin; 3% clopidogrel; < 1% each of heparin, low molecular weight heparin, aspirin-dipyridamole combination

mechanism of injury

fall 48%, motor vehicle collision 34%, assault 30%

came via ambulance?

62%