SPT group (n=9) IPT group (n=51) P-value
Implantation time (minutes) Implantation time (minutes) 52±25 35±18 0.029*
Number of deployments Number of deployments 2.2±1.7 1.6 0.259
Implantation site Implantation site Implantation site Implantation site Implantation site
Mid-septal, n (%) 6 (67%) 45 (88%) 0.127
Apical septal, n (%) 2 (22%) 5 (10%)
Inferior, n (%) 1 (11%) 1 (2%)
Tines Tines 2.3 ± 0.5 2.4 ± 0.5 0.585
Sensitivity Sensitivity 5.1 ± 1.9 8.3 ± 4.1 0.220
Impedance Impedance 582 ± 59 756 ± 167 <0.001*
Threshold Threshold 1.29 ± 0.87 0.71 ± 0.40 0.014*