Table 2 Comparison of within and between group VAS and modified Oswestry scores

Pre treatment VAS score

7.19 ± 1.60^**a

6.51 ± 1.72^**a

6.70 ± 1.49^**a

0.249^*

Post treatment VAS score

4.25 ± 2.26^a

4.25 ± 4.20^a

3.15 ± 1.81^a

0.379^*

1 month post treatment VAS score

3.96 ± 2.68^a

3.48 ± 2.04^a

3.45 ± 1.63^a

0.621^*

3 month post treatment VAS score

3.41 ± 2.74^a

3.64 ± 2.21^a

2.95 ± 1.84^a

0.588^*

Within group p

< 0.001^**

< 0.001^**

< 0.001^**

Pre treatment M.Oswestry

48.48 ± 18.20^b

50.19 ± 13.35^b

40.90 ± 17.16^b

0.127^*

Post treatment M.Oswestry

36.19 ± 17.00^a,b

34.80 ± 12.03^a,b

23.30 ± 13.84^a.b

0.006^*

1 month post treatment M.Oswestry

25.22 ± 16.92^a

28.19 ± 17.36^a

19.70 ± 17.26^a

0.232^*

3 month post treatment M.Oswestry

26.45 ± 21.90^a

28.51 ± 16.95^a

18.60 ± 10.54^a

0.145^*

Within group p

< 0.001^**

< 0.001^**

< 0.001^**