the urinary neopterin index ( u-neopt-i ) , expressed as micro-moles of neopterin/moles of creatinine ) of 67 patients with definite or classical rheumatoid arthritis was significantly higher than that of sex- and age-matched persons or of 24 non-matched patients suffering from osteoarthrosis or arthralgia ( 2p less than 0.001 ) .
C0022408
osteoarthrosis
C0003862
arthralgia