Table 2.
Normative data values for Valsalva ratio distributed according to age and gender in Valsalva maneuver
| VR | Mean (SD) | 95% Normative values (2.5th percentile to 97.5th percentile) | |
|---|---|---|---|
| Male | |||
| 20-30 | 2.01 (0.22) | 1.68 | 2.49 |
| 31-40 | 1.88 (0.25) | 1.50 | 2.29 |
| 41-50 | 1.74 (0.14) | 1.49 | 1.94 |
| 51-60 | 1.56 (0.17) | 1.32 | 1.84 |
| 61-70 | 1.53 (0.21) | 1.18 | 1.80 |
| ≥71 | 1.39 (0.29) | 1.11 | 1.78 |
| Female | |||
| 20-30 | 1.79 (0.25) | 1.40 | 2.24 |
| 31-40 | 1.68 (0.26) | 1.28 | 2.14 |
| 41-50 | 1.61 (0.24) | 1.27 | 2.03 |
| 51-60 | 1.55 (0.23) | 1.27 | 1.99 |
| 61-70 | 1.45 (0.18) | 1.26 | 1.80 |
| ≥71 | 1.42 (0.18) | 1.23 | 1.70 |