Table 3

 Mean 28 joint disease activity score (DAS28) and reduction in DAS28

Groups according to resistance markersChange in DAS28Mean DAS28 at start of treatmentMean DAS28 at time of blood samplingp Value v fMRP−/RFC+
Values are mean (SD).
fMRP, functional multidrug resistance proteins; RFC, reduced folate carrier.
fMRP−/RFC+ (n = 70)0.71 (1.27)3.08 (1.02)2.37 (1.00)
fMRP−/RFC− (n = 32)1.23 (1.44)3.22 (1.30)1.99 (0.93)0.035
fMRP+/RFC+ (n = 33)1.32 (1.36)3.38 (1.10)2.05 (1.14)0.014
fMRP+/RFC− (n = 28)1.09 (1.29)3.39 (0.95)2.30 (0.98)NS