Table 4.
Combination of parameters (r/M,m) that shows best classification performances (AUCmax) of ApEn, SampEn and DistEn with minimum (50 beats) and maximum (1,000 beats) data lengths for two case studies used in this study.
| Data length N | Complexity measure | Elderly vs. Young r/M, m(AUCmax) | Healthy vs. Arrhythmia r/M, m(AUCmax) |
|---|---|---|---|
| 50 | ApEn | 1, 2(0.75) | 0.9, 5(0.67) |
| SampEn | 1, 2(0.75) | 1, 2(0.66) | |
| DistEn | 100, 4(0.82) | 200, 2(0.94) | |
| 1000 | ApEn | 0.8, 3(0.85) | 1, 2(0.92) |
| SampEn | 0.8, 3(0.84) | 0.3, 2(0.87) | |
| DistEn | 2000, 5(0.82) | 400, 5(0.93) |