TABLE 2.

Multivariable analysis of clinical and laboratory predictors of high-risk stigmata

Variable	OR (95% CI)	P
ASA score 3 to 5	2.160 (1.705–2.737)	<0.0001
Postural BP changes present	1.203 (0.948–1.525)	0.1283
Time to endoscopy per hour	0.988 (0.983–0.993)	<0.0001
Bright red blood per NG tube aspirate	1.464 (0.985–2.175)	0.0591
Hemoglobin level at presentation per g/L	0.992 (0.988–0.997)	0.0004

ASA American Society of Anesthesiologists; BP Blood pressure; NG Nasogastric