Before CTI blocked After CTI blocked P value
Septal Delay (ms) 220±38 222±49 0.58
Lateral Delay (ms) 257±42 318±50 <0.0001
Clockwise Delay (ms) 86±24 150±22 <0.0001
Counterclockwise Delay (ms) 89±25 157±31 <0.0001
Delta PR interval (ms) 32±23 96±22 <0.0001