Efficacy Group A (n=20) Group B (n=20) Group C (n=20) KWχ2 P
Mean ± SD. 0.0-34.70 0.0-86.10 0.0-76.0 11.594 0.003*
Range 20.10 ± 12.15 39.24 ± 21.27 41.85 ± 22.17
p1   0.004* 0.003*    
p2   0.675    
Table 4: Comparison among the studied groups according to efficacy of treatment.