Predictive utility of the Rockall scoring system in patients suffering from acute nonvariceal upper gastrointestinal hemorrhage

Table 5 Spearman correlation analysis

	r value	R2 value	P value
Rockall score	0.735	0.541	< 0.001
Hemoglobin (g/L)	-0.215	0.046	0.005
INR	0.281	0.079	< 0.001
Average ulcer size (cm)	0.443	0.197	< 0.001
Renal failure (Yes/No)	0.151	0.023	0.051
Active bleeding (Yes/No)	0.229	0.053	0.003
Number of ulcers (≤ 2/>2)	-0.193	0.037	0.012
Endoscopic therapy (Yes/No)	-0.32	0.102	< 0.001
Blood transfusion (Yes/No)	0.207	0.043	0.007

INR: International normalized ratio.