Table 5.
Microvascular function
| ∆VHR, cm/s | ∆SSHR, dyn/cm2 | |
|---|---|---|
| TC Smokers | ||
| TC | 7.03 ± 7.57 | 5.87 ± 5.88 |
| Control | −1.60 ± 7.36 | 0.71 ± 5.72 |
| P value | 0.36 | 0.47 |
| EC Vapers | ||
| ECN | −5.69 ± 8.12 | 0.00 ± 6.26 |
| EC0 | −11.47 ± 8.26 | −10.11 ± 6.36 |
| NI | −14.34 ± 9.68 | −11.64 ± 7.44 |
| Control | −4.04 ± 17.41 | −4.41 ± 13.45 |
| P value | 0.76 | 0.79 |
| Nonsmokers | ||
| ECN | −0.97 ± 5.20 | 2.71 ± 4.40 |
| EC0 | 4.10 ± 5.65 | 2.40 ± 4.79 |
| NI | −17.65 ± 8.40 | −12.94 ± 7.12 |
| Control | −6.89 ± 7.82 | −6.42 ± 6.63 |
| P value | 0.18 | 0.21 |
Values are means ± SD. EC, electronic cigarette; ECN, electronic cigarette with nicotine; EC0, electronic cigarette without nicotine; NI, nicotine inhaler; SSHR, shear stress reactive hyperemia; TC, tobacco cigarette; VHR, velocity reactive hyperemia.