Table 1

 Patient characteristics

Total (n = 93)Genotype
1298CC (n = 23)1298AC (n = 20)1298AA (n = 50)
Values are mean (SD).
No significant differences between 1298 AA AC and CC genotype carriers for various clinical determinants except for weekly folate supplementation (*p<0.005).
Age (years)58.74 (13.69)54.78 (14.17)59.79 (10.92)60.16 (14.50)
Female (%)82.878.39082
Duration of methotrexate treatment (years)3.70 (3.43)2.92 (3.18)4.05 (3.44)3.92 (3.48)
Methotrexate dose (mg/week)11.93 (3.81)11.41 (3.76)11.58 (3.84)12.40 (3.88)
Treated with folate (%)58.856.540.067.3
Folate supplementation (mg/week)5.42 (8.03)3.73 (3.34)2.61 (3.48)7.45 (10.26)*
C reactive protein (mg/100 ml)2.14 (3.15)2.87 (3.86)1.41 (1.06)2.09 (2.85)
No of tender joints6.68 (1.3)7.30 (1.50)4.74 (1.20)7.18 (1.30)
No of swollen joints2.47 (1.20)3.30 (1.30)2.21 (1.10)2.20 (1.20)
Pain score3.59 (2.91)3.65 (2.93)4.00 (3.00)3.40 (2.85)
Patient assessment3.55 (2.81)3.54 (2.74)2.93 (2.18)3.80 (2.71)
Physician assessment2.94 (2.26)2.77 (1.97)2.83 (2.31)3.06 (2.38)
Morning stiffness (hours)0.53 (0.84)0.58 (0.70)0.43 (0.93)0.54 (0.79)