All VT episodes All VT episodes Regular VT Regular VT Irregular VT
Episodes of ATP therapy 290 290 196 (68%) 196 (68%) 94 (32%) 94 (32%)
Initial R-S1 interval (%RR) (91/88/84/81) (12/221/14/43) (12/221/14/43) (6/145/8/37) (6/145/8/37) (6/76/6/6) (6/76/6/6)
Initial pulses (4/6/8/12/14) (1/3/231/52/3) (1/3/231/52/3) (1/3/147/45/0) (1/3/147/45/0) (0/0/84/7/3) (0/0/84/7/3)
Included ramp pacing 5 5 3 (2%) 3 (2%) 2 (2%) 2 (2%)
Average VT rate targeted by ATP therapy (bpm) 179 179 179 179 181 181
ATP times for termination of VT without shock therapy 1.35 times 1.35 times 1.35 times 1.35 times 1.33 times 1.33 times
Termination by ATP therapy 246 (85%) 246 (85%) 184 (94%) 184 (94%) 62 (66%) 62 (66%)
Acceleration after ATP therapy 16 16 9 (5%) 9 (5%) 7 (7%) 7 (7%)
Uncaptured VT episodes by ATP (burst/ramp) (5/1) (5/1) (4/0) (4/0) (1/1) (1/1)