Table 1.

Details of the patients and medication at the time of surgery

Groups	Active RA	Inactive RA	OA	Normal
Age (years)	62.5 ± 19.28	72.33 ± 7.07	69.22 ± 7.98	36.3 ± 10.39
Gender (male/total)	2/10	6/9	6/9	6/10
CRP (IU/mL)	83.90 ± 83.78	9.78 ± 8.21	NA	NA
RF (mg/L)	19.40 ± 44.10	1.44 ± 0.53	<20	NA
Erosion Positivity per total samples	2/10	2/9	0/9	0/9
DMARDS	NSAIDs 9 Prednisolone 1	SSZ 1 Im Gold 5 MTX 2 Plaquenil 1	No NSAIDs 5 Panadeine 1 NSAIDs 3	None 9 Allopurinol 1

CRP, C-reactive protein; DMARD, disease modifying antirheumatic drug; Im Gold, intramuscular sodium aurothiomalate; MTX, methotrexate; NSAIDs, non-steroidal anti-inflammatory drugs; RF, rheumatoid factor; SSZ, sulphasalazine