Treatment
(n = 37 joints)		 Contralateral
(n = 37 joints)		 Responders
(n = 30 patients)		 Non-responders
(n = 7 patients)
Disc diagnosis
DDwoR (treatment) 37 30 7
DDwoR (contralateral) 13 12 1
DDwR (contralateral) 17 12 5
Normal (contralateral) 7 6 1
Disc shape
Normal 6 18 5 1
Deformed 31 19 25 6
Joint effusion
None 14 25 12 2
Slight 14 9 13 2
Frank 9 3 5 3
Osseous diagnosis
No osteoarthritis 9 24 6 2
Osteoarthritis 28 13 24 5

n = number of joints/patients; DDwoR = disc displacement without reduction; DDwR = disc displacement with reduction.
Numbers of patients are given for MRI findings. No significant differences were found between the groups in any of the measures