From: Radiographic knee osteoarthritis severity has no impact on fall risk: the locomotive syndrome and health outcomes in the aizu cohort study (LOHAS): a cross-sectional study
KL grade
Radiographic
KOA severity
0
83 (7.7)
No OA
1
322 (29.7)
Mild OA
619 (57.2)
2
297 (27.4)
3
293 (27.1)
Severe OA
381 (35.1)
4
88 (8.1)