Long-Term Follow-up Study of Subjects With Knee Osteoarthritis Who Had Administered FURESTEM-OA Kit Inj. in K0701 Study

Changes in Knee Injury and Osteoarthritis Outcome Score (KOOS)

The higher the score, the worse the condition of the disease is.

Time frame: 1 year (52 weeks), 2 years (104 weeks), and 3 years (156 weeks) after treatment

Changes in Western Ontario and McMaster Universities osteoarthritis index (WOMAC)

The WOMAC evaluation is evaluated using the score value converted through the KOOS evaluation paper.

Time frame: 1 year (52 weeks), 2 years (104 weeks), and 3 years (156 weeks) after treatment

Changes in 100-mm VAS

Time frame: 1 year (52 weeks), 2 years (104 weeks), and 3 years (156 weeks) after treatment

Changes in International Knee Documentation Committee Scoring System (IKDC)

A higher score indicates better function and less symptomatic

Time frame: 1 year (52 weeks), 2 years (104 weeks), and 3 years (156 weeks) after treatment

Evaluation of International K&L grade(X-ray)

Grade 0 - No radioligical findings of osteoarthritis Grade 1 - Doubtful narrowing of joint space and possible osteophytic lipping Grade 2 - Definite osteophytes and possible narrowing of joint space Grade 3 - Moderate osteophytes, definite narrowing of joint space, and some sclerosis and deformity of bone ends Grade 4 - Large osteophytes, marked narrowing of joint space, severe sclerosis, and definite deformity of bone ends

Time frame: 1 year (52 weeks), 2 years (104 weeks), and 3 years (156 weeks) after treatment