Table 3.
LV Strain values, blood pressure and heart rate during exercise test.
| GLS | GCS | Twist | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | (IQR) | S | (IQR) | p | C | (IQR) | S | (IQR) | p | C | (IQR) | S | (IQR) | p | |
| Basal | −19.7 | (2.2) | −19.5 | (2.5) | 0.23 | −21.1 | (2) | −20.7 | (2.7) | 0.66 | 11.7 | (4.4) | 12.4 | (3.5) | 0.13 |
| 50 W | −21.9 | (1.3) | −19.7 | (2.0) | <0.001 | −22.3 | (2) | −21.6 | (2) | <0.001 | 13.3 | (4.3) | 14.9 | (4.7) | 0.03 |
| 100 W | −21.3 | (2.4) | −20.8 | (2.7) | 0.045 | −22.5 | (2.2) | −22.1 | (2.7) | 0.13 | 14.6 | (4.5) | 16.1 | (4.5) | 0.008 |
| Recovery | −19.4 | (2.9) | −19.4 | (2.3) | 0.8 | −21.6 | (2.1) | −21.3 | (2.3) | 0.02 | 11.8 | (4) | 15.8 | (4.5) | <0.001 |
| SBP | DBP | HR | |||||||||||||
| C | (IQR) | S | (IQR) | p | C | (IQR) | S | (IQR) | p | C | (IQR) | S | (IQR) | p | |
| Basal | 119.5 | (17) | 123.5 | (26) | 0.27 | 69 | (12) | 69 | (21) | 0.5 | 79 | (17) | 79.5 | (18) | 0.9 |
| 50 W | 163 | (20) | 173.5 | (30) | 0.01 | 84 | (15) | 91 | (21) | <0.001 | 138 | (10) | 149.5 | (8) | <0.001 |
| 100 W | 174 | (19) | 183.5 | (27) | 0.01 | 95 | (13) | 99 | (18) | <0.001 | 166 | (12) | 172.4 | (11) | <0.001 |
| Recovery | 116 | (21) | 124.5 | (29) | 0.01 | 70 | (13) | 73 | (20) | <0.001 | 85 | (15) | 88.5 | (18) | 0.14 |
Study parameters during 4-step exercise test: Values are median (IQR). GLS: Global longitudinal strain; GCS: Global circumferential strain. SBP: systolic blood pressure. DBP: diastolic blood pressure. HR: heart rate. p: significance level for Mann-.Whitney test; Smokers vs Controls.