Table 2. APD90 restitution slope characteristics.
| ICM | DCM | |||
| Parameter | Location | (n = 32) | (n = 42) | p |
| No. with MAP recordings, n (%) | RVA | 32 (100) | 42 (100) | |
| RVOT | 5 (16) | 15 (36) | ||
| Slope maximum S2 | RVA | 1.50±0.66 | 1.43±0.46 | 0.99 |
| RVOT | 1.54±0.75 | 1.39±0.62 | 0.69 | |
| Slope maximum S3 | RVA | 1.32±0.33 | 1.49±0.53 | 0.73 |
| RVOT | 1.54±0.39 | 1.52±0.43 | 0.93 | |
| Slope maximum S4 | RVA | 1.27±0.46 | 1.32±0.59 | 0.66 |
| RVOT | 1.55±0.63 | 1.38±0.4 | 0.50 | |
| No. with max. slope S2≥1, n (%) | RVA | 25 (78) | 33 (79) | 0.96 |
| RVOT | 4 (80) | 10 (67) | 0.56 | |
| No. with max. slope S3≥1, n (%) | RVA | 25 (78) | 34 (81) | 0.76 |
| RVOT | 5 (100) | 12 (80) | 0.28 | |
| No. with max. slope S4≥1, n (%) | RVA | 22 (69) | 27 (64) | 0.60 |
| RVOT | 4 (80) | 13 (85) | 0.75 |
RVA = right ventricular apex, RVOT = right ventricular outflow tract.