Table 2: Analysis of Visual Analogue Score using the paired sample T Test.

When Compared to Preoperative VAS	Paired Differences		Sig. (2 – tailed)
	Mean Differences	Std. Deviation
at 6 months	2.12500	2.72947	0.007*
at 12 months	3.93333	3.08143	0.000*
at 24 months	3.33333	3.12485	0.000*
at 36 months	3.58824	2.71705	0.000*
at 60 months	2.68750	3.75444	0.012*