Abstract
To evaluate the worth of solid predictors in acute intracerebral hematoma(ICH) expansions in computer tomography images. A total of 105 patients with acute ICH in The Second Affiliated Hospital of Soochow University during January 2012 to February 2015 were enrolled. CT plain scan, CTA within 6 hours since the symptoms and CT plain scan recheck within 24 hours were executed. Hematoma location, initial volume of hematoma, shape of hematoma, "spot sign" , UHG speed were analyzed with single factor and binary Logistic regression between the patients with and without hematoma expansion. There were 30 cases with hematoma expansion and 75 cases with no hematoma expansion in 105 patients. In single factor comparisons, hematoma location(χ(2) =13.125, P<0.05), hematoma shape(χ(2) =23.987, P<0.05), spot sign(χ(2) =25.846, P<0.05), UHG speed(χ(2) =20.328, P<0.05) and the initial hematoma volume(t=-3.183, P<0.05) between the hematoma expansions and the non-hematoma expansions made significant differences. In binary Logistic regression, hematoma shape(irregular (P=0.033) and cleavage(P=0.009)), spot sign(P=0.000) and UHG speed(P=0.040) had significant differences between the two groups. ROC curve areas of hematoma shape, spot sign and UHG speed were 0.776(95%CI 0.682-0.870), 0.740(95%CI 0.625-0.855) and 0.720(95% CI 0.604-0.836). The high specificities of hematoma shape(84%), spot sign (88%)and UHG speed(84%)revealed their great reliabilities with equal sensitivity (60%). Hematoma shape, spot sign and UHG speed are solid predictors of hematoma expansion among which spot sign has promising specificity, hematoma shape and UHG speed are more convenient to be observed.
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