Bulletin of Faculty of Physical Therapy

Table 2 Intragroup analysis for pain and functional disability using Wilcoxon signed ranks test

From: Effect of retro walking versus balance training on pain and disability in patients with osteoarthritis of the knee: a randomized controlled trial

Variables	Group A		Group B		Group C
Variables	Mean (SD)	p value	Mean (SD)	p value	Mean (SD)	p value
ICOAP pre	27.95 (9.62)	0.00*	34.51 (12.83)	0.00*	33.95 (11.08)	0.00*
ICOAP post	18.65 (6.55)	0.00*	12.46 (4.58)	0.00*	19.17 (8.29)	0.00*
IKHOAM pre	65.78 (7.67)	0.00*	64.03 (7.68)	0.00*	63.53 (10.48)	0.00*
IKHOAM post	71.21 (8.80)	0.00*	77.57 (9.41)	0.00*	73.15 (8.89)	0.00*

Inference: All the 3 treatment protocols showed statistically significant improvement for both pain and functional disability at the end of 6 weeks
* represents statistical significance

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