Table 3: The effect of various factors that had a statistical effect (p<.1) in the aggregate group on the risk of DVT/PE in each diagnosis group.

Factor	TIA	Stroke	ICH	SAH
Length of Stay	t(689)=-10.7 p<0.001	t(1284)=-0.87 p=NS	t(261)=-2.5 p=0.012	t(186)=-1.92 p=0.06
Initial NIHSS	t(272)=-4.1 p<0.001	t(762)=-1.74 p=0.08	t(82)=-0.42 p=NS	Not Enough Data
Altered Level of Consciusness	χ2=18.6 p<0.001 (0.001)	NS	NS	NS
Heart Failure	χ2=4.7 p<0.03 (0.15)	χ2=6.4 p=0.01 (0.03)	NS	NS
Weight (lbs)	t(693)=0.43 NS	t(1313)=0.6 NS	t(267)=-1.3 NS	t(267)=-1.8 p=0.07
Weakness	χ2=0.8 NS	χ2=0.27 NS	χ2=3.1 p<0.08 (0.11)	χ2=0.57 NS
Ambulatory by day 2	χ2=0.28 NS	χ2=0.57 NS	χ2=0.55 NS	χ2=0.17 NS