Table 4 Normal values of biventricular global strain and strain rates by age decades for men
Variables | 21–30 years (n = 44) | 31–40 years (n = 100) | 41–50 years (n = 92) | 51–60 years (n = 48) | 61–70 years (n = 28) |
|---|---|---|---|---|---|
Left ventricle | |||||
 GRS (%) | 29.8 ± 4.7 | 32.1 ± 5.0 | 32.6 ± 5.1 | 31.8 ± 5.1 | 34.6 ± 7.4 |
 GCS (%) | − 17.9 ± 1.8 | − 18.8 ± 1.8 | − 19.0 ± 1.8 | − 18.8 ± 1.9 | − 19.6 ± 2.5 |
 GLS (%) | − 15.3 ± 1.8 | − 15.8 ± 1.8 | − 15.5 ± 1.7 | − 15.4 ± 1.9 | − 15.6 ± 2.0 |
 PSSRR (s−1) | 1.97 ± 0.56 | 2.31 ± 0.69 | 2.27 ± 0.68 | 2.02 ± 0.61 | 2.31 ± 0.76 |
 PSSRC (s−1) | − 1.04 ± 0.18 | − 1.15 ± 0.25 | − 1.15 ± 0.25 | − 1.06 ± 0.21 | − 1.13 ± 0.22 |
 PSSRL (s−1) | − 0.87 ± 0.22 | − 0.92 ± 0.17 | − 0.91 ± 0.17 | − 0.88 ± 0.17 | − 0.91 ± 0.16 |
 PDSRR (s−1) | − 1.80 ± 0.35 | − 1.81 ± 0.39 | − 1.77 ± 0.35 | − 1.64 ± 0.40 | − 1.75 ± 0.59 |
 PDSRC (s−1) | 0.99 ± 0.14 | 0.97 ± 0.18 | 0.96 ± 0.18 | 0.87 ± 0.15 | 0.84 ± 0.20 |
 PDSRL (s−1) | 0.81 ± 0.15 | 0.78 ± 0.16 | 0.74 ± 0.15 | 0.69 ± 0.15 | 0.67 ± 0.14 |
Right ventricle | |||||
 GRS (%) | 20.1 ± 5.9 | 21.6 ± 6.7 | 22.0 ± 6.7 | 23.5 ± 6.5 | 24.6 ± 8.0 |
 GCS (%) | − 12.4 ± 3.1 | − 13.0 ± 3.1 | − 13.2 ± 3.2 | − 14.0 ± 2.9 | − 14.2 ± 3.5 |
 GLS (%) | − 18.2 ± 5.0 | − 20.1 ± 4.7 | − 21.1 ± 4.0 | − 20.2 ± 4.5 | − 20.9 ± 4.6 |
 PSSRR (s−1) | 1.23 ± 0.45 | 1.43 ± 0.69 | 1.49 ± 0.63 | 1.57 ± 0.60 | 1.64 ± 0.74 |
 PSSRC (s−1) | − 0.70 ± 0.21 | − 0.76 ± 0.27 | − 0.78 ± 0.29 | − 0.84 ± 0.24 | − 0.85 ± 0.26 |
 PSSRL (s−1) | − 1.06 ± 0.38 | − 1.13 ± 0.36 | − 1.19 ± 0.30 | − 1.21 ± 0.26 | − 1.25 ± 0.37 |
 PDSRR (s−1) | − 1.07 ± 0.39 | − 1.04 ± 0.34 | − 0.99 ± 0.27 | − 0.94 ± 0.27 | − 0.96 ± 0.41 |
 PDSRC (s−1) | 0.62 ± 0.19 | 0.60 ± 0.19 | 0.55 ± 0.15 | 0.57 ± 0.18 | 0.57 ± 0.21 |
 PDSRL (s−1) | 0.91 ± 0.25 | 0.94 ± 0.25 | 0.96 ± 0.28 | 0.91 ± 0.26 | 0.97 ± 0.33 |