. 2020 Nov;45(6):434–443. doi: 10.30476/ijms.2019.72487

Table 3.

Spearman’s correlation coefficient between Knee Outcome Survey Activities of Daily Living domains and the scores of the Knee Injury and Osteoarthritis Outcome Score subclasses

KOS-ADL factors		KOOS subclasses
KOS-ADL factors		Symptoms	Pain	Activities of daily living	Sport and entertainment	Quality of life
ADL1	Pain	0.59^*	0.66^*	0.61^*	0.60^*	0.47^*
ADL2	Stiffness	0.65^*	0.59^*	0.56^*	0.53^*	0.51^*
ADL3	Swelling	0.61^*	0.45^*	0.45^*	0.36^*	0.37^*
ADL4	Giving way, buckling, or shifting of the knee	0.53^*	0.52^*	0.45^*	0.32^*	0.40^*
ADL5	Weakness	0.55^*	0.49^*	0.42^*	0.37^*	0.38^*
ADL6	Limping	0.67^*	0.66^*	0.59^*	0.49^*	0.57^*
ADL7	Walk	0.54^*	0.58^*	0.48^*	0.55^*	0.52^*
ADL8	Go up stairs	0.49^*	0.51^*	0.47^*	0.46^*	0.36^*
ADL9	Go down stairs	0.41^*	0.48^*	0.51^*	0.46^*	0.36^*
ADL10	Stand	0.47^*	0.51^*	0.52^*	0.43^*	0.45^*
ADL11	Kneel on the front of your knee	0.48^*	0.49^*	0.54^*	0.59^*	0.58^*
ADL12	Squat	0.60^*	0.56^*	0.59^*	0.56^*	0.62^*
ADL13	Sit with your knee bent	0.53^*	0.51^*	0.57^*	0.54^*	0.57^*
ADL14	Rise from a chair	0.54^*	0.56^*	0.59^*	0.53^*	0.52^*

P≤0.001,

Correlation is significant at the 0.01 level (2-tailed). KOS-ADL: Knee Outcome Survey Activities of Daily Living, ADL: Activities of Daily Living