ATA = atrial tachyarrhythmia, CVA = cerebrovascular accident, ICU =
intensive care unit, IQR = interquartile range, PNA = pneumonia.
*Postoperative ATAs as defined by the Society for Thoracic Surgery as
post-operative atrial fibrillation or ATAs during postoperative hospital
stay.
† Chi-squared test
‡ Two-sided Fisher’s Exact test
§ Mann-Whitney U test, two-sided normal approximation
¶ 11/13 pacemakers were placed for sick sinus syndrome, 2/13 were placed
for complete heart block.
Table 5: Number at risk by year after standalone Cox-Maze IV
and percentage of patients estimated to be in each state. Patients were
assumed to be in one of three mutually exclusive states at each point
during follow-up: alive and free from ATAs recurrence (composite
endpoint), alive and having experienced first ATAs recurrence (CIF), or
dead before ATAs recurrence (CIF).