Age, blood tests and comorbidities and AIMS65 risk scores outperform Glasgow-Blatchford and pre-endoscopic Rockall score in patients with upper gastrointestinal bleeding

Table 12 Logistic regression model for age older than 65, pre-endoscopic Rockall score, age, blood tests and comorbidities, Glasgow-Blatchford score and lactate

Logistic regression models	Independent variable	Odds ratio (95% confidence interval)	P value
In-hospital mortality (Yes/No)
Adjusted model variceal bleed	AIMS-65	1.434 (1.202-1.930)	0.032
	PERS	1.028 (0.591-1.789)	0.922
	ABC	0.799 (0.608-1.049)	0.106
	GBS	0.915 (0.740-1.132)	0.415
	Venous lactate	4.944 (2.207-11.008)	0.001
Adjusted model, non-variceal bleed	AIMS-65	0.716 (0.374-1.372)	0.314
	PERS	0.965 (0.669-1.393)	0.850
	ABC	0.824 (0.627-1.084)	0.167
	GBS	1.159 (1.053-1.276)	0.003
	Venous lactate	11.720 (3.437-39.968)	0.001
Endoscopy (Yes/No)
Adjusted model variceal bleed	AIMS-65	1.049 (0.688-1.599)	0.823
	PERS	0.762 (0.544-1.067)	0.113
	ABC	1.025 (0.850-1.236)	0.794
	GBS	1.029 (0.905-1.171)	0.659
	Venous lactate	2.222 (0.531-9.305)	0.274
Adjusted model non variceal bleed	AIMS-65	0.860 (0.533-1.388)	0.537
	PERS	1.205 (0.904-1.604)	0.203
	ABC	0.931 (0.743-1.166)	0.533
	GBS	0.982 (0.891-1.083)	0.721
	Venous lactate	5.550 (1.943-15.853)	0.001
Surgical intervention (Yes/No)
Adjusted model non variceal bleed	AIMS-65	0.928 (0.533-1.388)	0.870
	PERS	0.870 (0.904-1.604)	0.663
	ABC	1.255 (0.743-1.166)	0.280
	GBS	1.214 (0.891-1.083)	0.130
	Venous lactate	2.002 (1.002-2.047)	0.001

AIMS65: Age older than 65; PERS: Pre-endoscopic Rockall score; ABC: Age, blood tests and comorbidities; GBS: Glasgow-Blatchford score.