Table 2 Odds ratios for predictor variables for the PURSUIT, GUSTO-1 and GRACE risk scores

Independent predictors	Odds ratio (95% CI)	p Value
PURSUIT
Age*	1.07 (1.07 to 1.08)	<0.001
Systolic blood pressure†	0.98 (0.98 to 0.98)	<0.001
Heart rate‡	1.01 (1.01 to 1.01)	<0.001
Congestive cardiac failure	1.54 (1.36 to 1.73)	<0.01
Raised cardiac markers	2.65 (2.27 to 3.08)	<0.01
ST-segment depression	1.27 (1.16 to 1.40)	<0.001
GUSTO-1
Systolic blood pressure†	0.99 (0.99 to 1.00)	<0.001
Heart rate‡	1.01 (1.01 to 1.02)	<0.001
Congestive cardiac failure	2.19 (1.65 to 2.9)	<0.001
Arrhythmia	1.64 (1.17 to 2.29)	0.004
History of stroke	2.34 (1.90 to 2.89)	<0.001
History of hypertension	1.13 (0.98 to 1.30)	0.096
Age*	1.09 (1.08 to 1.09)	<0.001
Long QRS duration	1.72 (1.30 to 2.28)	<0.001
Smoker	1.00 (0.84 to 1.20)	0.972
GRACE in-hospital
Age*	1.08 (1.07 to 1.08)	<0.001
Congestive cardiac failure	1.49 (1.32 to 1.62)	<0.001
Systolic blood pressure†	0.98 (0.98 to 0.98)	<0.001
Raised cardiac markers	2.11 (1.70 to 2.09)	<0.001
Chronic renal failure	1.57 (1.32 to 1.75)	<0.001
ST-segment deviation	1.46 (1.43 to 1.63)	<0.001
Heart rate‡	1.01 (1.01 to 1.01)	<0.001
GRACE 6-month
Age*	1.09 (1.08 to 1.09)	<0.001
Congestive cardiac failure	1.75 (1.60 to 1.92)	<0.001
Systolic blood pressure†	0.99 (0.99 to 0.99)	<0.001
Raised cardiac markers	1.61 (1.47 to 1.75)	<0.001
Chronic renal failure	2.01 (1.78 to 2.27)	<0.001
ST-segment deviation	1.30 (1.22 to 1.37)	<0.001
Heart rate‡	1.01 (1.01 to 1.01)	<0.001

*Per 1-year increase; †per 1 mm Hg increase, ‡per 1-bpm increase.
EMMACE, Evaluation of the Methods and Management of Acute Coronary Events; GRACE, Global Registry of Acute Coronary Events; GUSTO-1, Global Utilisation of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries; PURSUIT, Predictors of Outcome in Patients with Acute Coronary Syndromes without Persistent ST Segment Elevation.