Table 3: Pearson correlation analysis.

ParameterWeight change at 6
months
Weight change at 12
months

KOOS symptomsCorrelation coefficient0.147680.07676
Sig (two tailed)0.52290.7621
2118
KOOS painCorrelation coefficient−0.0697−0.15328
Sig (two tailed)0.7640.5437
2118
KOOS daily livingCorrelation coefficient0.14679−0.10796
Sig (two tailed)0.52550.9436
2118
KOOS sportsCorrelation coefficient−0.162554−0.38754
Sig (two tailed)0.48150.1121
2118
KOOS quality of lifeCorrelation coefficient0.228040.19418
Sig (two tailed)0.32010.4401
2118
WOMAC painCorrelation coefficient−0.065860.11497
Sig (two tailed)0.77670.6496
2118
WOMAC stiffnessCorrelation coefficient−0.0250.1714
Sig (two tailed)0.91440.4965
2118
WOMAC physical functionCorrelation coefficient−0.12644−0.12462
Sig (two tailed)0.5850.6222
2118

Row one for each parameter shows the pearson correlation Coefficient. Row two is Rho > r under HO: Rho = 0. There was at 6 months and at 12 months.