in patients, i.e. KIR3DL3*002 (OR = 1.43, 95 %CI (1.09–1.86), p = 0.009), KIR3DL1*020 (OR = 2.20, 95 %CI (1.19–4.06), p = 0.01) and KIR3DL2*009 (OR = 1.56, 95 %CI (1.09–2.23), p = 0.01), while two alleles had a reduced patient frequency, i.e. KIR3DL3*013 (OR = 0.60, 95 %CI (0.42–0.86), p = 0.005)