Table 3.

Influence of long-term use of amiodarone on early post-transplant atrial fibrillation

	Long-term use of amiodarone prior to HTX	No long-term use of amiodarone prior to HTX	Total
Expected frequencies
AF after HTX	8.5	52.5	61
Total percentage	8.5 of 530 (1.6%)	52.5 of 530 (9.9%)	61 of 530 (11.5%)
Row percentage	8.5 of 61 (14.0%)	52.5 of 61 (86.0%)	61 of 61 (100.0%)
Column percentage	8.5 of 74 (11.5%)	52.5 of 456 (11.5%)	61 of 530 (11.5%)
No AF after HTX	65.5	403.5	469
Total percentage	65.5 of 530 (12.4%)	403.5 of 530 (76.1%)	469 of 530 (88.5%)
Row percentage	65.5 of 469 (14.0%)	403.5 of 469 (86.0%)	469 of 469 (100.0%)
Column percentage	65.5 of 74 (88.5%)	403.5 of 456 (88.5%)	469 of 530 (88.5%)
Total	74	456	530
Total percentage	74 of 530 (14.0%)	456 of 530 (86.0%)	530 of 530 (100.0%)
Row percentage	74 of 530 (14.0%)	456 of 530 (86.0%)	530 of 530 (100.0%)
Column percentage	74 of 74 (100.0%)	456 of 456 (100.0%)	530 of 530 (100.0%) P=1.0000
Observed frequencies
AF after HTX	2	59	61
Total percentage	2 of 530 (0.4%)	59 of 530 (11.1%)	61 of 530 (11.5%)
Row percentage	2 of 61 (3.3%)	59 of 61 (96.7%)	61 of 61 (100.0%)
Column percentage	2 of 74 (2.7%)	59 of 456 (12.9%)	61 of 530 (11.5%)
No AF after HTX	72	397	469
Total percentage	72 of 530 (13.6%)	397 of 530 (74.9%)	469 of 530 (88.5%)
Row percentage	72 of 469 (15.4%)	397 of 469 (84.6%)	469 of 469 (100.0%)
Column percentage	72 of 74 (97.3%)	397 of 456 (87.1%)	469 of 530 (88.5%)
Total	74	456	530
Total percentage	74 of 530 (14.0%)	456 of 530 (86.0%)	530 of 530 (100.0%)
Row percentage	74 of 530 (14.0%)	456 of 530 (86.0%)	530 of 530 (100.0%)
Column percentage	74 of 74 (100.0%)	456 of 456 (100.0%)	530 of 530 (100.0%) P=0.0105*

Note:

^*Statistically significant (P<0.05).

Abbreviations: HTX, heart transplantation; AF, atrial fibrillation.