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. 2022 Dec 26;4(1):3–13. doi: 10.1089/neur.2022.0054

Table 2.

Differences of Blood Test and Transfusion Between Contrast Extravasation and No Contrast Extravasation

Outcome Contrast extravasation (n = 61) No contrast extravasation (n = 111) p value
Primary outcome      
Admission fibrinogen, median (IQR), mg/dL 203 (167.5–260.5) 251 (205–303) 0.0007
Secondary outcome      
No. of patients within 24 h of fresh frozen plasma transfusions, no. (%) 36 (59.0) 21 (18.9) <0.0001
Minimum fibrinogen level within 24 h of admission, median (IQR), mg/dL 148 (102.5–209.5) 234 (184–273) <0.0001
Admission platelet count, median (IQR), × 103/μL 197 (152.5–235) 220 (176–257) 0.01
Admission PT-INR, median (IQR) 1.08 (1.01–1.18) 1.06 (1.01–1.13) 0.22
Admission aPTT, median (IQR), sec 29 (25–35) 27 (25–30) 0.03
Admission FDP, median (IQR), μg/mL 92.2 (47.8–256.0) 25.3 (9.7–52.5) <0.0001
Admission D-dimer, median (IQR), μg/mL 24.0 (15.3–64.8) 8.69 (3.19–18.5) <0.0001
No. of patients within 24 h of transfusions, no. (%)      
Red blood cell 32 (52.5) 21 (18.9) <0.0001
Platelet concentrate 14 (23.0) 3 (2.7) <0.0001
No. of units within 24 h of transfusions, median (IQR), units      
Red blood cell 2 (0–10) 0 (0–0) <0.0001
Fresh frozen plasma 6 (0–16) 0 (0–0) <0.0001
Platelet Concentrate 0 (0–0) 0 (0–0) <0.0001

IQR, interquartile range; PT-INR, prothrombin time/international normalized ratio; aPTT, activated partial thromboplastin time; FDP, fibrinogen degradation products.