Study N. of responding patients with F/F genotype Total n. of patients with F/F genotype N. of responding patients with F/V or V/V genotype Total n. of patients with F/V or V/V genotype
Calemma  et al. [20] 1 4 19 44
Bibeau  et al. [19] 2 15 9 53
Zhang  et al. [13] 2 16 0 19
Rodriguez  et al. [21] 3 13 16 31
Etienne-Grimaldi  et al. [15] 5 20 19 31
Zhang  et al.  (2010) [24] 9 21 12 44
Negri  et al. [26] 7 27 13 59
Park et al.  [22] 14 36 18 71
Paez  et al. [25] 10 46 11 53
TOTAL 53 198 117 405
Overall Response Rate 27% 29%
Table 2: FCGR3A-158 genotype and tumour response rate in 9 retrospective studies.