无创模型在慢性乙型肝炎肝纤维化诊断中的价值

表5 各模型用于评价肝纤维化(F2-3)的指标

模型	界值	灵敏度(%)	特异度(%)	阳性预测值(%)	阴性预测值(%)	准确率(%)	阳性似然比	阴性似燃比
AAR	0.738	33.6	77.2	51.6	54.1	53.3	1.476	0.859
APRI	0.822	61.1	63.7	60.5	64.3	62.5	1.682	0.611
API	4.5	58.6	80.2	72.9	68.0	69.9	2.963	0.516
CDS	6.50	42.2	82.5	68.7	61.1	63.3	2.414	0.701
FIB4	1.245	65.9	72.6	68.7	70.1	69.4	2.409	0.469
GPR	0.321	74.0	67.1	67.2	71.8	70.5	2.251	0.385
S	0.121	66.9	76.8	72.4	71.8	72.1	2.882	0.431
SPRI	6.015	75.5	67.1	67.6	75.1	71.1	2.297	0.365
ASPRI	7.395	70.2	76.1	72.8	73.7	73.3	2.936	0.392
FV	0.480	78.8	74.0	73.4	79.3	76.3	3.033	0.286

AAR: 天冬氨酸氨基转移酶/丙氨酸氨基转移酶比值; APRI: AST/血小板计数比值; API: 年龄-血小板指数; CDS: 肝硬化判别式值; FIB-4: FIB-4指数; GPR: γ-谷氨酰转肽酶/血小板计数; S: S指数; SPRI: 脾脏/血小板比值指数; ASPRI: 年龄-脾脏/血小板比值指数; FV: 作者的模型.