Table 4.

Comparison of mean and standard deviation of the physical performance scores obtained for intervention group before the intervention and at months three and six after the intervention using Friedman test

Time	Number	Mean	Standard deviation	Test result
Before intervention	50	1.61	0.71	Chi-Square=93.17
at month three post-intervention	50	3.44	0.95	DF=2
At month six post-intervention	50	4.27	0.68	p<0.001