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. 2022 Mar 25;25(3):457–463. doi: 10.4103/aian.aian_579_21

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