Table 1

Demographic and clinical data of patients, from whom synovial membrane samples were available for RT-PCR analysis of the matrix metalloproteinases

Patient	Diagnosis	Sex	Age	Joint operated	Medication
1	RA	F	68	elbow	low dose peroral prednisolone, methotrexate
2	RA	F	81	knee	tramadol, sulfasalazine
3	RA	F	61	knee	NSAID, D-penicillamine
4	RA	F	77	knee	NSAID, low dose peroral prednisolone, alendronate
5	RA	F	62	knee	NSAID, low dose peroral prednisolone, sulfasalazine, methotrexate
6	RA	F	33	hip	NSAID, hydroxychloroquine, methotrexate, cyclosporine A
7	RA	F	77	hip	NSAID, chloroquine
8	RA	F	69	elbow	NSAID, low dose peroral prednisolone, sulfasalazine
9	RA	M	49	shoulder	NSAID, low dose peroral prednisolone
10	RA	M	44	hip	tramadol, low dose peroral prednisolone, azathioprine
11	rupture of the meniscus	F	55	knee	NSAID
12	subluxation of the patella	F	21	knee	—
13	chondromalacia patellae	F	42	knee	—
14	chondromalacia patellae	F	30	knee	NSAID
15	rupture of the ACL	F	33	knee	NSAID
16	distensio genus	F	37	knee	—
17	distensio genus	M	29	knee	—
18	rupture of the meniscus	F	27	knee	NSAID
19	subluxation of the patella	M	41	knee	—

RA = rheumatoid arthritis, ACL = anterior cruciate ligament (of the knee), NSAID = non-steroidal anti-inflammatory drug.