Table 4.

Univariate and multivariable associations between risk score documentation in patient charts and hospital-related and patient-related factors (pooled data; n=1788)†

	Univariate associations		Multivariable associations
	OR (95% CI)	p Value	OR (95% CI)	p Value
Hospital factors
Teaching status	2.15 (0.59 to 7.85)	0.25	NA	NA
Onsite revascularisation facilities	1.32 (0.38 to 4.60)	0.67	NA	NA
Patient factors‡
Discharge diagnosis (reference NSTEMI)	0.65 (0.52 to 0.83)	≤0.01**	0.60 (0.46 to 0.77)	≤0.01**
Age (reference <75 years)	0.76 (0.61 to 0.96)	0.02*	0.86 (0.67 to 1.11)	0.24
Resuscitation at admission	0.25 (0.10 to 0.67)	≤0.01**	0.23 (0.09 to 0.64)	≤0.01**
In-hospital heart failure	0.38 (0.24 to 0.62)	≤0.01**	0.46 (0.27 to 0.76)	≤0.01**
History of coronary artery disease	0.65 (0.47 to 0.89)	≤0.01**	0.87 (0.59 to 1.27)	0.46
History of peripheral artery disease	0.72 (0.47 to 1.09)	0.12	0.81 (0.53 to 1.26)	0.35
Previous (U)A	0.83 (0.64 to 1.07)	0.15	1.00 (0.75 to 1.34)	0.98
Previous MI	0.77 (0.61 to 0.98)	0.03*	0.89 (0.68 to 1.18)	0.43
Previous PCI	0.83 (0.65 to 1.05)	0.13	1.07 (0.80 to 1.43)	0.66
Renal failure	0.54 (0.33 to 0.90)	0.02*	0.72 (0.42 to 1.23)	0.23
Obesity (BMI>30)	1.49 (1.05 to 2.13)	0.03*	1.49 (1.03 to 2.15)	0.04*
Smoking	1.23 (0.95 to 1.60)	0.11	1.16 (0.86 to 1.55)	0.33
Former smoker	1.48 (1.12 to 1.97)	≤0.01**	1.56 (1.15 to 2.11)	≤0.01**
Coronary stenosis (≥50%)	0.65 (0.46 to 0.93)	0.02*	0.81 (0.54 to 1.22)	0.31
Heart rate (bpm) (reference normal)
Tachycardia	0.46 (0.28 to 0.76)	≤0.01**	0.45 (0.26 to 0.75)	≤0.01**
Bradycardia	0.85 (0.44 to 1.63)	0.62	0.92 (0.46 to 1.86)	0.82

*p≤0.05.

**p≤0.01.

†Pooled p value based on normal approximation.

‡Only variables (patient characteristics) with p≤0.15 in the univariate analyses are presented in this table. Reference category is ‘no’, unless stated otherwise.

BMI, body mass index; CABG, coronary artery bypass grafting; MI, myocardial infarction; NA, not applicable; PCI, percutaneous coronary intervention; (U)A, (Unstable)Angina.