表 4. Comparison of the area under the ROC curve of the early dynamic elevated BUN/Cr ratio after admission (n=16), the Rockall scoring system (n=44), and the combined indicator (n=11) for predicting the primary outcomes in patients with ANVUGIB .

入院后BUN/Cr比值早期动态升高（n=16）、Rockall评分系统（n=44）及其联合指标（n=11）预测ANVUGIB患者主要临床结局事件的曲线下面积比较

Scoring method	Early dynamic elevated BUN/Cr ratio
	ΔAUC	SE	95% CI	Z	P
Rockall scoring system	0.055	0.065	−0.072-0.182	0.844	0.399
Combined indicator	0.108	0.046	0.018-0.199	2.349	0.019