Table 3.

The Correlation between the types of the drug used and the Clinical Attachment loss (CAL)

	N	Mean	SD	Sig
Methotrexate	27	0.60	0.68	0.285
Non methotrexate	30	0.43	0.44
Hydroxychloroquine	44	0.50	0.56	0.832
Non hydroxychloroquine	13	0.54	0.62
Prednisolone	40	0.54	0.59	0.485
Non prednisolone	17	0.43	0.52
NSAID	5	0.57	0.51	0.815
Non NSAID	52	0.50	0.57
Sulphasalazine	4	0.49	0.56	0.953
Non sulphasalazine	53	0.51	0.57