From: Heart rate analysis in normal subjects of various age groups
PARAMETERS | 10 ± 5 | 25 ± 10 | 40 ± 15 | 60 ± 5 | 'p' value |
---|---|---|---|---|---|
SD1/SD2 | 0.5169 ≤ 0.193551 | 0.5265 ≤ 0.2357 | 0.4298 ≤ 0.191684 | 0.6055 ≤ 0.286834 | 0.12 |
ApEn | 1.903 ≤ 0.34597 | 2.0722 ≤ 0.1849 | 1.8746 ≤ 0.3475 | 1.6837 ≤ 0.4083 | < 0.0001 |
LLE | 0.685206 ≤ 0.201294 | 0.6392875 ≤ 0.089508672 | 0.438793103 ≤ 0.177914783 | 0.434278 ≤ 0.294581 | < 0.0001 |
α s | 0.579 ≤ 0.35056 | 0.412118 ≤ 0.204044 | 0.138667 ≤ 0.216083 | 0.224479 ≤ 0.328036 | < 0.0001 |
α l | 2.0062 ≤ 0.33472 | 1.830926 ≤ 0.149596 | 1.674143 ≤ 0.205721 | 1.714868 ≤ 0.222235 | < 0.0001 |