Fig. 1From: Chondroitin sulfate efficacy versus celecoxib on knee osteoarthritis structural changes using magnetic resonance imaging: a 2-year multicentre exploratory studyPatient disposition. *Primary reasons for discontinuation. †mITT includes ATP patients plus those with MRI at 12 months but with MRI missing at final visit. ATP according-to-protocol, mITT modified intention-to-treat, MRI magnetic resonance imagingBack to article page