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Table 5 Blood test results

From: Early recognition of acute thoracic aortic dissection and aneurysm

Test TAA/TAD (%) Control (%) P-value
White Blood Cell    
Normal 93 (70) 103 (77) 0.29
Low (<3 million cells/mcL) 8 (6) 9 (7) 1
High (>12 million cells/mcL) 31 (23) 22 (16) 0.20
Hemoglobin    
Normal 80 (60) 81 (60) 1
Low (<9 grams/dL) 47 (35) 47 (35) 1
High (>15 grams/dL) 7 (5) 6 (4) 1
Hematocrit    
Normal 75 (56) 78 (58) 0.81
Low (<27%) 51 (38) 49 (37) 0.89
High (>55%) 8 (6) 7 (5) 1
Blood Urea Nitrogen    
Normal 45 (34) 69 (51) <.0001*
Low 2 (2) 1 (1) 1
High 85 (64) 64 (48) <.0001*
Creatinine    
Normal 71 (56) 80 (62) 0.40
Elevated (>35 mg/dL) 55 (44) 49 (38) 0.47
Lactate    
Normal 6 (60) 7 (64) 0.65
Elevated (>2.5 mEq/L) 4 (40) 4 (36) 0.89
INR    
Normal 76 (60) 75 (81)  
Elevated (>1.5) 51 (40) 18 (19) 0.0017*
D-Dimer    
Normal 1 (20) 7 (88) 0.06
Elevated (> 250 ng/ml) 4 (80) 1 (13) 0.06
Troponin    
Normal 53 (82) 80 (66) 0.04
Elevated (>0.3 ng/mL) 12 (18) 41 (34) 0.04*
  1. TAA = thoracic aortic aneurysm, TAD = thoracic aortic dissection.
  2. *Signifies statistical significance.