Table 3

Duration of New-Onset Atrial Fibrillation Events in BEST

Patient GroupTotal PlaceboTotal BucindololHazard Ratio (95% CI)Logrank
p Value
Entire cohort (n = 2392), all AF115/1,190 (9.7%)75/1,202 (6.2%)0.59 (0.44 to 0.79)0.0004
<24 h (n = 17 of 190 [8.9%])11/1,190 (0.9%)6/1,202 (0.5%)0.51 (0.19 to 1.39)0.183
>24 h to ≤7 days (n = 44 of 190 [23.2%])27/1,190 (2.3%)17/1,202 (1.4%)0.57 (0.31 to 1.05)0.066
>7 days (n = 129 of 190 [67.9%])77/1,190 (6.5%)52/1,202 (4.3%)0.62 (0.43 to 0.88)0.007

Values are n/N (%).

AF = atrial fibrillation; BEST = Beta-Blocker Evaluation of Survival Trial; CI = confidence interval.