Table 2.
10th Percentile Reference Limits According to Age‐ and Sex‐Specific Criteria
| Age | Lateral Eʹ (cm/s) | E/A Ratio | E/Eʹ Ratio |
|---|---|---|---|
| Men | |||
| 30 y | 11.00 | 1.21 | 6.33 |
| 40 y | 10.11 | 1.06 | 6.64 |
| 50 y | 9.21 | 0.91 | 6.94 |
| 60 y | 8.32 | 0.76 | 7.25 |
| 70 y | 7.42 | 0.61 | 7.55 |
| 80 y | 6.53 | 0.46 | 7.85 |
| Women | |||
| 30 y | 11.39 | 1.24 | 6.62 |
| 40 y | 10.31 | 1.10 | 7.33 |
| 50 y | 9.22 | 0.95 | 8.03 |
| 60 y | 8.14 | 0.81 | 8.73 |
| 70 y | 7.05 | 0.66 | 9.44 |
| 80 y | 5.97 | 0.51 | 10.14 |
Single cut point (guideline‐based) reference limits: Lateral Eʹ=10 cm/s, E/A ratio ≥0.8, E/Eʹ ratio ≤8. Reference limit values represent the lower reference limit for lateral Eʹ and E/A ratio and the upper reference limit for E/Eʹ ratio.