Table 1.

WOMAC results at T0, T3, T6 and T12

	WOMAC_T0	WOMAC_T3	WOMAC_T6	WOMAC_T12
Valid	74	74	74	74
Missing	0	0	0	0
Mean	62.20	52.86	48.05	50.34
Std. Error of Mean	1.973	1.782	1.780	2.017
Median	65.00	52.50	45.00	47.50
Mode	72.00	31.00	28.00	35.00
Std. Deviation	16.97	15.33	15.31	17.35
Skewness	-0.2059	0.1181	0.2398	0.3094
Std. Error of Skewness	0.2792	0.2792	0.2792	0.2792
Kurtosis	-1.258	-0.8432	-0.8696	-1.003
Std. Error of Kurtosis	0.5517	0.5517	0.5517	0.5517
Minimum	33.00	26.00	23.00	21.00
Maximum	88.00	85.00	78.00	84.00