多层螺旋CT灌注成像技术对肝硬化储备功能的评估

表3 肝脏灌注参数判断Child-pugh分级的ROC曲线的统计特征

参数	判断Child-pugh A ROC曲线下面积				判断Child-pugh C ROC曲线下面积
	AUC	标准误	95%CI	P值	AUC	标准误	95%CI	P值
BF	0.988	0.013	(0.962, 1.014)	0.000	0.994	0.010	(0.973, 1.014)	0.000
BV	0.949	0.034	(0.882, 1.016)	0.000	0.981	0.022	(0.938, 1.024)	0.000
MTT	0.867	0.065	(0.740, 0.993)	0.000	0.878	0.067	(0.746, 1.010)	0.004
HAF	0.927	0.050	(0.830, 1.025)	0.000	0.910	0.063	(0.788, 1.033)	0.002
IRF To	0.775	0.083	(0.612, 0.937)	0.008	0.862	0.066	(0.734, 0.991)	0.006
HAP	0.592	0.104	(0.389, 0.795)	0.375	0.712	0.091	(0.533, 0.890)	0.111
PVP	0.988	0.014	(0.960, 1.016)	0.000	0.987	0.016	(0.955, 1.019)	0.000
A/V	0.927	0.050	(0.830, 1.025)	0.000	0.907	0.065	(0.780, 1.034)	0.002