Table 2

Distribution of FCGR polymorphisms

Distribution of FCGR polymorphisms within the groups	Group			Total
Distribution of FCGR polymorphisms within the groups	Europe	Japan	USA	Total
FCGR 2A status
HR
Count	397	28	29	454
% within FCGR 2A status	87.4	6.2	6.4	100.0
% of Total	39.6	2.8	2.9	45.3
HH
Count	226	61	35	322
% within FCGR 2A status	70.2	18.9	10.9	100.0
% of Total	22.6	6.1	3.5	32.1
RR
Count	188	2	36	226
% within FCGR 2A status	83.2	0.9	15.9	100.0
% of Total	18.8	0.2	3.6	22.6
Total
Count	811	91	100	1002
% within FCGR 2A status	80.9	9.1	10.0	100.0
% of Total	80.9	9.1	10.0	100.0
FCGR 3A status
VF
Count	372	36	58	466
% within FCGR 3A status	79.8	7.7	12.4	100.0
% of Total	36.3	3.5	5.7	45.5
VV
Count	126	4	37	167
% within FCGR 3A status	75.4	2.4	22.2	100.0
% of Total	12.3	0.4	3.6	16.3
FF
Count	308	51	32	391
% within FCGR 3A status	78.8	13.0	8.2	100.0
% of Total	30.1	5.0	3.1	38.2
Total
Count	806	91	127	1024
% within FCGR 3A status	78.7	8.9	12.4	100.0
% within group	100.0	100.0	100.0	100.0
% of Total	78.7	8.9	12.4	100.0

Distribution of FCGR polymorphisms according to the KRAS status	KRAS WT		KRAS M
Count	n	Per cent	n	Per cent
FCGR 2A
HR	291	44.1	158	48.3
HH	220	33.3	94	28.7
RR	149	22.6	75	22.9
VF	296	43.8	163	48.9
FCGR 3A
VV	109	16.1	57	17.1
FF	271	40.1	113	33.9