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. Author manuscript; available in PMC: 2010 Sep 25.
Published in final edited form as: J Trauma. 2010 May;68(5):1072–1077. doi: 10.1097/TA.0b013e3181d7a6f2

TABLE 3.

Analysis of Proposed D-Dimer Cut-Off to Predict TBI

D-Dimer (pg/μl)
<500 ≥ 500
Cohort 1 p = 0.002
 No TBI 17 21
 TBI 1 18
Cohort 2 p = 0.002
 No TBI 16 21
 TBI 1* 19
Combined cohorts p < 0.001
 No TBI 33 42
 TBI 2 37
*

Patient had a small single slice intracerebral hemorrhage versus antecedent calcification on head CT.