Table 3.

Variables associated with the presence of AF in the older patients with COVID-19 enrolled in the GeroCovid Registry at the multivariable logistic regression analysis (Overall goodness of fit: 82.9%; p < 0.001)

	β ± es	P	OR	95% CI
Age (∆. year)	0.04 ± 0.01	0.010	1.04	1.01–1.07
Cardiac diseases (Yes vs. No)	1.05 ± 0.26	< 0.001	2.87	1.72–4.79
Chronic Heart Failure (Yes vs. No)	0.95 ± 0.33	0.003	2.60	1.37–4.93
Peripheral Artery Disease (Yes vs. No)	0.66 ± 0.31	0.030	1.94	1.06–3.54
WBC count (∆. 1.109/L)	0.06 ± 0.03	0.031	1.06	1.01–1.12
Constant	− 5.55 ± 1.12	< 0.001	0.004	–

Variables backward deleted from the model—Arthritis: p = 0.256; CKD: p = 0.279; COPD: p = 0.164; Diabetes: p = 0.727; Functional status: p = 0.234; Hemoglobin: p = 0.404; Malnutrition: p = 0.364; Obesity: p = 0.366; Stroke: p = 0.617

95% CI 95% Confidence Intervals, Chronic Heart Failure presence of signs and symptoms of chronic heart failure, OR Odds Ratio, WBC white blood cells