The HRV Health system produces a metric called “Percentile” which reflects the percentile into which the RMSSD result fits, relative to the general population by age and gender. This is the base data that our algorithm uses to produce the Percentile result.
RMSSD and HRV Score by age and gender[1]Short-term heart rate variability–influence of gender and age in healthy subjects
| From age | To age | RMSSD | HRV score |
|---|---|---|---|
| 15 | 24 | 48.9 | 67.6 |
| 25 | 34 | 42.9 | 65.3 |
| 35 | 44 | 35.4 | 62.0 |
| 45 | 54 | 26.3 | 56.8 |
| 55 | 64 | 21.4 | 53.2 |
| 65 | 100 | 19.1 | 51.2 |
| Age from | Age to | RMSSD | HRV score |
|---|---|---|---|
| 15 | 24 | 43.7 | 65.6 |
| 25 | 34 | 39.7 | 64.0 |
| 35 | 44 | 32 | 60.2 |
| 45 | 54 | 23 | 54.5 |
| 55 | 64 | 19.9 | 52.0 |
| 65 | 100 | 19.1 | 51.2 |
RMSSD is measured on a geometric scale. The HRV score is the RMSSD converted to an arithmetic scale.
References