Table 4 Results from linear regression analyses for the effect of group (smokers vs. electronic cigarette users) on changes (Δ) of Doppler echocardiography measurements, after adjusting for changes in systolic blood pressure and heart rate
Dependent variable | β* | SE** | P-value |
|---|---|---|---|
ΔIVRT (ms) | 4.64 | 2.12 | 0.032 |
ΔIVRTc (ms) | 5.46 | 2.34 | 0.022 |
ΔMPI | 0.03 | 0.01 | 0.013 |
ΔEm (cm/s) | -0.87 | 0.25 | 0.001 |
ΔMPIt | 0.04 | 0.01 | 0.001 |
ΔSRe (s-1) | -0.06 | 0.03 | 0.039 |