Table 1.
Baseline Characteristics of patients
| Total | Paroxysmal AF | Persistent AF | P | First ablation | Repeat ablation | P | |
|---|---|---|---|---|---|---|---|
| Patients, n | 75 | 42 | 33 | 43 | 32 | ||
| Age, y | 62.4±8.3 | 62.7±7.7 | 62.1±9.1 | 0.758 | 62.3±8.5 | 62.6±8.2 | 0.859 |
| Male, n(%) | 56(74.7) | 30(71.4) | 26(78.8) | 0.467 | 32(74.4) | 24(75.0) | 0.954 |
| Caucasian, n(%) | 72(96.0) | 40(95.2) | 32(97.0) | 0.241 | 42(97.7) | 30(93.8) | 0.492 |
| Hypertension, n(%) | 36(48.0) | 21(50.0) | 15(45.5) | 0.696 | 19(44.2) | 17(53.1) | 0.443 |
| Diabetes, n(%) | 5(6.7) | 3(7.1) | 1(6.1) | 0.852 | 3(7.0) | 2(6.3) | 0.901 |
| Coronary/Vascular disease, n(%) | 10(13.3) | 4(9.5) | 6(18.2) | 0.274 | 5(11.6) | 5(15.6) | 0.615 |
| Chronic heart failure, n(%) | 11(14.7) | 5(11.9) | 6(18.2) | 0.446 | 5 11.6) | 6(18.8) | 0.389 |
| Prior Thromboembolism, n(%) | 4(5.3) | 4(9.5) | 0(0) | 0.068 | 3(7.0) | 1(3.1) | 0.463 |
| Obstructive Sleep Apnea, n(%) | 18(24.0) | 11(26.2) | 7(21.2) | 0.616 | 13(30.2) | 5(15.6) | 0.143 |
| CHA2DS2-VASc score | 1.64±1.32 | 1.86±1.51 | 1.36±0.99 | 0.109 | 1.67± 1.52 | 1.59±1.01 | 0.796 |
| 0, n(%) | 15(20.0) | 8(19.1) | 7(21.2) | 11(25.6) | 4(12.5) | ||
| 1, n(%) | 23(30.7) | 12(28.6) | 11(33.3) | 12(27.9) | 11(34.4) | ||
| 2, n(%) | 21(28.0) | 9(21.4) | 12(36.4) | 8(18.6) | 13(40.6) | ||
| 3, n(%) | 10(13.3) | 8(19.1) | 2(6.1) | 8(18.6) | 2(6.3) | ||
| 4, n(%) | 3(4.0) | 2(4.8) | 1(3.0) | 1(2.3) | 2(6.3) | ||
| 5, n(%) | 2(2.7) | 2(4.8) | 0(0) | 2(4.7) | 0(0) | ||
| 6, n(%) | 1(1.3) | 1(2.4) | 1(2.3) | 0(0) | |||
| AF Duration, years | 6.6±6.8 | 5.6±6.5 | 7.8±7.0 | 0.166 | 4.9±6.3 | 8.9±6.8 | 0.011 |
| LV Ejection Fraction, % | 56.8±6.4 | 56.7±6.0 | 56.8±6.4 | 0.912 | 57.3±5.9 | 56.1±6.9 | 0.419 |
| Prior Ablations | 0.108 | <0.001 | |||||
| None, n(%) | 43(57.3) | 28(66.7) | 15(45.5) | 43(100) | 0(0) | ||
| One, n(%) | 18(24.0) | 10(23.8) | 8(24.2) | 0(0) | 18(56.3) | ||
| Two, n(%) | 13(17.3) | 4(9.5) | 9(27.3) | 0(0) | 13(40.6) | ||
| Three, n(%) | 1(1.3) | 0(0) | 1(3.0) | 0(0) | 1(3.1) |
AF = atrial fibrillation, LV = left ventricle