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Table 3 The Correlation between the types of the drug used and the Clinical Attachment loss (CAL)

From: Salivary TNFα levels in groups of subjects with rheumatoid arthritis and chronic periodontitis

  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