Drug Added Found±S.D* RSD% SAE Confidence Limits**
  Gabapentin   50 100 150 49±0.51 101±0.98 148±1.01 1.04 0.97 0.68 0.23 0.44 0.44 49±0.63 101±1.21 148±1.25
*Mean± Standared deviation for five determinations.
**Confidence limits at P=0.05 and four degree of freedom.
Table 4: Evaluation of the accuracy and precision of the proposed method.