Sample size estimation
This study included a sample size of forty-eight patients (24 in each group). This was computed using software named open epi version 3, Paired Means Power Analysis with a confidence interval of 99% and 95% power of the test, mean ± S.D of VAS 5.27 ± 0.8 within group A and 3.81 ± 1.4 within group B [