A New Classification System for Postinterventional Cerebral Hyperdensity: The Influence on Hemorrhagic Transformation and Clinical Prognosis in Acute Stroke

Table 1

Basic characteristics of the no-PCHD and PCHD groups.

	No-PCHD group ()	PCHD group ()
Age			0.964
Sex (male; %)	43; 53.1%	61; 56.5%	0.642
History of smoking	15; 18.5%	21; 19.4%	0.873
History of hypertension	56; 69.1%	88; 81.5%	0.049
History of atrial fibrillation	32; 39.5%	56; 51.9%	0.092
History of diabetes	11; 13.6%	22; 20.4%	0.224
History of anticoagulant use	11; 13.6%	24; 22.2%	0.130
TC			0.774
HDL			0.668
LDL			0.295
APTT			0.030
PT			0.744
NIHSS score at admission			0.007
ASPECT score (<6 scores)	17; 21.0%	56; 51.9%	<0.001
Location of occlusion			0.900
ICA isolated or in tandem with MCA	11; 13.6%	15; 13.9%
MCA isolated	56; 69.1%	77; 71.3%
Posterior circulation	14; 17.3%	16; 14.8%

TC: total cholesterol; HDL: high-density lipoprotein; LDL: low-density lipoprotein; APTT: activated partial thromboplastin time; PT: prothrombin time; ICA: internal carotid artery; MCA: middle cerebral artery.