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. 2016 Mar 27;7(2):112–119. doi: 10.15171/jlms.2016.19

Table 2 . Comparison of VAS and WOMAC Questionnaire Among Three Groups Pre- and Postphysical Therapy Interventions .

Variables	Sum of squares	Mean Squares	F Value	P Value
VAS - pre	0.054	0.027	0.06	0.94^a
VAS - post	7.47	3.74	9.04	0.00^b
Pain - pre	1.9	0.95	0.56	0.57^a
Pain - post	7.02	3.51	3.84	0.028^b
Stiffness - pre	0.03	0.014	0.021	0.98^a
Stiffness - post	4.54	2.27	5.63	0.006^b
Physical - pre	2.8	1.39	0.2	0.82^a
Physical - post	94.0	47.0	14.0	0.00^b

Abbreviations: VAS, visual analogue scale; WOMAC, Western Ontario and McMaster Universities Osteoarthritis.

^aNon-significant P>0.05; ^bSignificant P<0.05 CI at 0.95.