Table 3

Association of Fcγ receptor polymorphism and anti-infliximab antibody (AIA) with infliximab-related outcome

Infusion reaction during 52 weeksAdherence to infliximab during 52 weeks
SubjectTotal (n=96)Yes (n=17)No (n=79)p ValueContinued (n=46)Discontinued (n=50)p Value
FCGR3A 176F/V
 F/F44 (46)7 (41)37 (47)0.5822 (48)22 (44)0.53
 F/V46 (48)8 (47)38 (48)20 (44)26 (52)
 V/V6 (6)2 (12)4 (5)4 (9)2 (4)
FCGR3B NA1/NA2
 NA1/NA142 (44)13 (77)29 (37)0.01*16 (35)26 (52)0.23
 NA1/NA232 (33)3 (18)29 (37)18 (39)14 (28)
 NA2/NA222 (23)1 (6)21 (27)12 (26)10 (20)
AIA
 (+)18 (19)11 (65)7 (9)<0.01*7 (15)11 (22)0.40
 (−)78 (81)6 (35)72 (91)39 (85)39 (78)
  • Values are numbers (%) unless otherwise indicated.