Table 2.
Peripheral blood counts and lymphocyte subpopulation in 5 nonsmokers, 4 e-cigarette users, and 5 cigarette smokers before and after exposure to smoke.
| Nonsmokers | E-cig user | Cig smokers | |||
|---|---|---|---|---|---|
| Before | After | Before | After | ||
| WBC, k/μl | 5.5 ± 0.9 | 5.5 ± 0.6 | 5.6 ± 0.8 | 6.0 ± 0.7 | 6.4 ± 0.5 |
| Lymphocytes, % | 33.7 ± 0.7 | 35.7 ± 4.7 | 33.7 ± 3.9 | 31.0 ± 3.9 | 26.1 ± 2.5 |
| Neutrophils, % | 54.9 ± 0.5 | 51.7 ± 4.6 | 54.5 ± 3.9 | 59.5 ± 3.2 | 63.2 ± 2.3 |
| Monocytes, % | 6.2 ± 0.4 | 6.2 ± 0.6 | 6.5 ± 0.3 | 6.6 ± 0.6 | 6.2 ± 0.7 |
| Eosinophils, % | 3.1 ± 0.5 | 3.4 ± 0.6 | 2.7 ± 0.7 | 3.0 ± 0.7 | 2.4 ± 0.8 |
| Basophils, % | 0.5 ± 0.1 | 0.5 ± 0.1 | 0.5 ± 0.1 | 0.3 ± 0.1 | 0.4 ± 0.1 |
| RBC, mil/μl | 4.7 ± 0.5 | 4.6 ± 0.1 | 4.6 ± 0.2 | 4.3 ± 0.1 | 4.2 ± 0.1 |
| HGB, g/dl | 13.7 ± 1.4 | 13.8 ± 0.3 | 14.0 ± 0.3 | 13.0 ± 0.4 | 12.8 ± 0.4 |
| HCT, % | 41.2 ± 4.1 | 41.1 ± 0.8 | 41.4 ± 1.0 | 39.5 ± 1.2 | 38.3 ± 1.1 |
| MCV, fl | 87.2 ± 1.8 | 89.9 ± 2.3 | 90.7 ± 2.1 | 91.9 ± 1.3* | 91.4 ± 1.2 |
| PLT, k/ μl | 304.3 ± 4.2 | 213.3 ± 21.8* | 208.5 ± 25.1 | 206.8 ± 17.0** | 201.3 ± 19.1 |
Data are presented as mean ± SD. WBC: white blood cells, RBC: red blood cells, HGB: hemoglobin, HCT: hematocrit, MCV: mean volume of red blood cells, PLT: platelets.
*, **
Statistically significant from nonsmokers (*p<0.05 and **p<0.001).