Variables | Non-Smokers | Smokers | t-Statistics | P-Values |
Carboxy-hemoglobin (%) | 7.19 ± 2.65 | 15.83 ± 8.53 | −5.29 | <0.001 |
Calcium (mg/dl) | 9.68 ± 1.08 | 7.32 ± 0.74 | 9.83 | <0.001 |