| 
      
        |   Variables |   smokers(n=16)
 |   nonsmokers(n=14)
 |  
        |   S.VEGF (pg/ml) |   342.04±157.66  |   301.66±23.68 *  |  
        |   S.bFGF (pg/ml) |   224.67±100.06  |   222.63± 18.28  |  
        |   T.VEGF (pg/ mg protein) |   540.07±199.12  |   543.22±195.40 |  
        |   T.bFGF (pg/mg protein) |   300.35±88.60 |   299.67±97.20 |  | 
  
    | VEGF= vascular endothelial growth factor, bFGF = basic fibroblast growth factor
*p<0.05 | 
  
    | Table 2: Serum (S) and tissue (T) levels (mean ± SD) of VEGF, bFGF, in smoker
and nonsmoker patients before treatment. |