Table 5. Coefficients Of The Constant And Independent Predictors For The Pre- And Postoperative Mortality Models.

Model and independent predictor	Coefficients
Pre-operative model
Constant	–5.269
Age (per one-year increase)	0.027
Creatinine > 180 μmol.l-1	1.86
No chronic beta-blocker therapy	0.91
No chronic statin therapy	1.032
Postoperative model
Constant	–7.951
Age (per one-year increase)	0.052
Creatinine > 180 μmol.l-1	1.625
Surgery out of hours × no chronic statin therapy	2.113
Last mean daily HR (per beat per minute increase)	0.017
Last mean daily HR × ‘last mean daily SBP < 100 or > 179 mmHg’	0.019
Last mean daily HR × withdrawal of chronic beta-blockade	0.017