Correlation of Self-Reported Questionnaire (KOOS) with Some Objective Measures in Primary OA Knee Patients

Table 2

6-MWT and KOOS scores among clinical OA knee patients (𝑛=251).

Parameter	Mean	Standard deviation (SD)	Minimum–maximum
KOOS-pain (in %)	62.90	18.05	11–94
KOOS-symptom (in %)	69.15	16.82	32–96
KOOS-ADL (in %)	67.27	18.39	9–97
KOOS-sports/recreation (in %)	36.31	22.91	0–95
KOOS-QOL (in %)	46.58	20.75	13–94
6-MWT (in meters)	251.77	35.04	170.5–337