Heart failure labelled patients with missing ejection fraction in primary care: prognosis and determinants

Table 3 Factors related to the probability of having an ejection fraction registered in electronic medical records

	OR^a	95% Confidence interval
Age (quintiles)
<=71 años (reference)	1
72 - 78	0.86	0.68-1.08
79 - 82	0.71	0.55-0.92
83 - 86	0.81	0.63-1.05
87+	0.50	0.37-0.68
Socio economic deprivation index
1 (less disadvantaged)	1
2	1.55	1.24-1.94
3	0.99	0.78-1.25
4	0.68	0.52-0.88
5 (more disadvantaged)	0.41	0.30-0.56
Patients requiring home care	0.71	0.56-0.88
Obesity	0.68	0.55-0.85
Drug therapy for heart failure
ACE inhibitor or ARB^b	1.25	1.02-1.53
Beta-blockers	1.23	1.01-1.51
Loop diuretics	0.59	0.49-0.71

^aOdds ratio adjusted by gender, hypertension, diabetes, hypercholesterolemia, smoking habit, coronary heart disease, atrial fibrillation, stroke, peripheral artery disease, and previous hospitalization for heart failure
^b ACE angiotensin converting enzyme, ARB Angiotensin Receptor Blocker