Table 4. Comparison of the surgical approaches in terms of the preoperative and postoperative PR interval in subgroups.
| Left atriotomy (n=11) | Transseptal (n=48) | Superior transseptal (n=16) | p | |
| Mean±SD | Mean±SD | Mean±SD | ||
| RCA | ||||
| PR preoperative (ms) | 146.7±25.2 | 161.1±22.8 | 157.4±20.5 | 0.170* |
| PR postoperative (ms) | 161.7±47.3 | 189.5±48.3 | 206.0±42.3 | 0.061* |
| Left atriotomy (n=14) | Transseptal (n=28) | Superior transseptal (n=20) | p | |
| Mean±SD | Mean±SD | Mean±SD | ||
| LCx artery | ||||
| PR preoperative (ms) | 162.9±28.7 | 152.9±27.3 | 161.6±28.5 | 0.436* |
| PR postoperative (ms) | 203.9±55.9 | 181.1±47.8 | 196.5±52.2 | 0.346* |
| SD: Standard deviation; RCA: Right coronary artery; LCx: Left circumflex; * One-way ANOVA. | ||||