Table 5. Right ventricular (RV) strain and strain rate by age decile (%).
| Variables | Age deciles (N=24) | |||||
|---|---|---|---|---|---|---|
| 20–29 years | 30–39 years | 40–49 years | 50–59 years | 60–69 years | P | |
| GRS | 19.4±5.3 | 22.0±7.3 | 18.5±5.8 | 24.9±8.0 | 30.3±10.4 | <0.001 |
| GCS | −11.6±2.8 | −12.8±4.0 | −11,3±3.1 | −14.1±3.6 | −16.6±4.6 | <0.001 |
| GLS | −24.5±3.6 | −23.7±4.9 | −24.9±3.8 | −23.1±7.0 | −25.4±3.7 | 0.764 |
| GCS-b | −12.40±2.83 | −13.65±3.59 | −11.30±3.87 | −16.51±4.07 | −17.07±5.42 | <0.001 |
| GCS-m | −11.64±3.52 | −12.35±4.48 | −10.61±4.03 | −12.38±4.43 | −15.35±5.11 | 0.037 |
| GCS-a | −14.05±5.01 | −16.27±5.78 | −15.88±5.14 | −15.97±4.97 | −16.90±7.61 | 0.828 |
| GRS S’ | 1.09±0.39 | 1.45±1.06 | 1.04±0.36 | 1.51±0.55 | 1.56±0.52 | 0.255 |
| GCS S’ | −0.67±0.22 | −0.77±0.21 | −0.64±0.22 | −0.87±0.26 | −0.86±0.30 | 0.054 |
| GLS S’ | −1.75±0.4.0 | −1.41±0.91 | −1.63±0.41 | −1.45±0.83 | −1.66±0.36 | 0.255 |
| GRS D’ | −1.20±0.42 | −1.36±0.65 | −0.93±0.35 | −1.42±0.45 | −1.56±0.60 | 0.02 |
| GCS D’ | 0.74±0.21 | 0.72±0.21 | 0.60±0.17 | 0.79±0.20 | 0.74±0.24 | 0.018 |
| GLS D’ | 1.41±0.43 | 1.37±0.37 | 1.19±0.28 | 1.36±0.39 | 1.24±0.26 | 0.847 |
GRS, global peak radial strain; GLS, global peak longitudinal strain; GCS, global peak circumferential strain; GCS-b, global peak circumferential strain for basal; GCS-m, global peak circumferential strain for mid; GCS-a, global peak circumferential strain for apical; GRS S’, peak radial systolic strain rate; GCS S’ peak circumferential systolic strain rate; GLS S’, peak longitudinal systolic strain rate; GRS D’, peak radial diastolic strain rate; GCS D’, peak circumferential diastolic strain rate; GLS D’, peak longitudinal diastolic strain rate.