Clinical significance and risk factors for new onset and recurring atrial fibrillation following cardiac surgery - a retrospective data analysis

Table 4 Multiple logistic regression analysis for intermittent/permanent AF as outcome variable

Variable	OR (95% CI)	p-Value
AV block III	0.511 (0.211–1.235)	0.135
Epinephrine administration	1.03 (0.456–2.33)	0.942
C-reactive protein concentration	1.032 (0.984–1.084)	0.192
Leukocytes concentration	0.999 (0.94–1.061)	0.976
Creatinine concentration	2.125 (1.114–4.052)	0.022
Fluid balance	1.2 (0.942–1.527)	0.139
Phosphate concentration	0.522 (0.342–0.795)	0.003
Sodium concentration	1.035 (0.92–1.163)	0.565
Chloride concentration	1.049 (0.939–1.17)	0.396
Horowitz index	0.996 (0.99–1.001)	0.12

Data are shown as odds ratios (OR) together with the 95% confidence interval (CI) and the corresponding p-value. For C-reactive protein, leukocytes, creatinine, fluid balance, phosphate, sodium and chloride the maximal recorded value was used for model fitting. For the Horowitz index, the minimal recorded value per patient was used for model estimation. Results from the univariate analyses are shown in Additional file 1: Table S2
AF Atrial fibrillation, AV Atrio-ventricular, CABG Coronary artery bypass grafting

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