Multivariate analysis of the association between the occurrence of new AF 6 months after surgery risk factor B RR CI 95% p age > 60 0, 93 2, 53 0, 48 - 13, 23 >0, 05 Diabes - 1, 84 0, 16 0, 03 - 0, 76 <0, 05 hypertension 1, 50 4, 48 0, 49 - 40, 83 >0, 05 EuroSCORE ≥ 3% 1, 06 2, 90 0, 54 - 15, 38 >0, 05 Low HRV preop 1, 10 3, 02 1, 01 - 8, 96 <0, 05 Constant - 3, 79 Table 3.25.