Table 2. Baseline Conduction Abnormalities.
Type of AV block was documented during sinus rhythm for SR/AF patients.
| Baseline Characteristic | SR/SR (a) | SR/AF (b) | AF/AF (c) | P-Value All Groups | P-Value (a) vs (b) | P-Value (a) vs (c) | P-Value (b) vs (c) |
| Abnormal Conduction Present | 44.7% (541/1210) | 49.5% (52/105) | 34.6% (139/402) | 0.001 | 0.34 | 0.0004 | 0.005 |
| 1st degree AVB | 19.2% (232/1210) | 26.7% (28/105) | N/A | N/A | 0.06 | N/A | N/A |
| 2nd degree AVB Type I | 0.2% (3/1210) | 1.0% (1/105) | N/A | N/A | 0.21 | N/A | N/A |
| 2nd degree AVB Type II | 0.0% (0/669) | 0.0% (0/53) | N/A | N/A | N/A | N/A | N/A |
| 3rd degree AVB | 0.0% (0/1210) | 0.0% (0/105) | N/A | N/A | N/A | N/A | N/A |
| IVCD | 5.1% (62/1209) | 5.7% (6/105) | 5.7% (23/402) | 0.71 | 0.79 | 0.64 | 1 |
| Inc. RBBB | 1.3% (16/1210) | 1.0% (1/105) | 2.0% (8/402) | 0.66 | 0.75 | 0.34 | 0.47 |
| RBBB | 14.5% (175/1210) | 21.0% (22/105) | 16.4% (66/402) | 0.29 | 0.07 | 0.34 | 0.27 |
| LBBB | 9.8% (118/1210) | 7.6% (8/105) | 6.2% (25/402) | 0.11 | 0.48 | 0.03 | 0.6 |