Table 3

Risk of infection in Duffy-null carriers with low neutrophil counts

Low ANC groupComparative group (ANC 2.0–7.5 × 109/L)
GenotypeANC range (109/L)Number of subjects (N)Number with infections (N%)GenotypeNumber of subjects (N)Number with infections (N%)RR (95% CI)SEP
CC<1.03911 (28.21%)CC55231039 (18.81%)1.46 (0.80–2.67)0.310.214
TC/TT444 71587 295 (19.63%)1.28 (0.70–2.34)0.310.419
CC1.0–1.532371 (21.98%)CC55231039 (18.81%)1.17 (0.92–1.48)0.120.212
TC/TT444 71587 295 (19.63%)1.03 (0.79–1.33)0.130.848
CC1.5–2.01115194 (17.40%)CC55231039 (18.81%)0.94 (0.81–1.10)0.080.442
TC/TT444 71587 295 (19.63%)0.80 (0.66–0.97)0.100.021
TC/TT<1.0718169 (23.54%)TC/TT444 71587 295 (19.63%)1.21 (1.04–1.41)0.080.012
TC/TT1.0–1.5990239 (24.14%)TC/TT444 71587 295 (19.63%)1.25 (1.10–1.42)0.065.72 × 10−4
TC/TT1.5–2.056591064 (18.80%)TC/TT444 71587 295 (19.63%)0.98 (0.93–1.05)0.030.618
Low ANC groupComparative group (ANC 2.0–7.5 × 109/L)
GenotypeANC range (109/L)Number of subjects (N)Number with infections (N%)GenotypeNumber of subjects (N)Number with infections (N%)RR (95% CI)SEP
CC<1.03911 (28.21%)CC55231039 (18.81%)1.46 (0.80–2.67)0.310.214
TC/TT444 71587 295 (19.63%)1.28 (0.70–2.34)0.310.419
CC1.0–1.532371 (21.98%)CC55231039 (18.81%)1.17 (0.92–1.48)0.120.212
TC/TT444 71587 295 (19.63%)1.03 (0.79–1.33)0.130.848
CC1.5–2.01115194 (17.40%)CC55231039 (18.81%)0.94 (0.81–1.10)0.080.442
TC/TT444 71587 295 (19.63%)0.80 (0.66–0.97)0.100.021
TC/TT<1.0718169 (23.54%)TC/TT444 71587 295 (19.63%)1.21 (1.04–1.41)0.080.012
TC/TT1.0–1.5990239 (24.14%)TC/TT444 71587 295 (19.63%)1.25 (1.10–1.42)0.065.72 × 10−4
TC/TT1.5–2.056591064 (18.80%)TC/TT444 71587 295 (19.63%)0.98 (0.93–1.05)0.030.618

Association of infection in individuals with the CC genotype and a low ANC in contrast to individuals with the CC and TC/TT genotype with a normal ANC (2.0–7.5 × 109/L). Columns represent firstly for low ANC groups: genotype at rs2814778, ANC range, number of subjects in said group and number of infections. The comparative group consisted of individuals with an ANC in the range of 2.0–7.5 × 109/L and columns represent: genotype at rs2814778, number of subjects and number of infections. RR, rate ratio, in reference to low ANC group; SE, standard error; P = association P-value.

Table 3

Risk of infection in Duffy-null carriers with low neutrophil counts

Low ANC groupComparative group (ANC 2.0–7.5 × 109/L)
GenotypeANC range (109/L)Number of subjects (N)Number with infections (N%)GenotypeNumber of subjects (N)Number with infections (N%)RR (95% CI)SEP
CC<1.03911 (28.21%)CC55231039 (18.81%)1.46 (0.80–2.67)0.310.214
TC/TT444 71587 295 (19.63%)1.28 (0.70–2.34)0.310.419
CC1.0–1.532371 (21.98%)CC55231039 (18.81%)1.17 (0.92–1.48)0.120.212
TC/TT444 71587 295 (19.63%)1.03 (0.79–1.33)0.130.848
CC1.5–2.01115194 (17.40%)CC55231039 (18.81%)0.94 (0.81–1.10)0.080.442
TC/TT444 71587 295 (19.63%)0.80 (0.66–0.97)0.100.021
TC/TT<1.0718169 (23.54%)TC/TT444 71587 295 (19.63%)1.21 (1.04–1.41)0.080.012
TC/TT1.0–1.5990239 (24.14%)TC/TT444 71587 295 (19.63%)1.25 (1.10–1.42)0.065.72 × 10−4
TC/TT1.5–2.056591064 (18.80%)TC/TT444 71587 295 (19.63%)0.98 (0.93–1.05)0.030.618
Low ANC groupComparative group (ANC 2.0–7.5 × 109/L)
GenotypeANC range (109/L)Number of subjects (N)Number with infections (N%)GenotypeNumber of subjects (N)Number with infections (N%)RR (95% CI)SEP
CC<1.03911 (28.21%)CC55231039 (18.81%)1.46 (0.80–2.67)0.310.214
TC/TT444 71587 295 (19.63%)1.28 (0.70–2.34)0.310.419
CC1.0–1.532371 (21.98%)CC55231039 (18.81%)1.17 (0.92–1.48)0.120.212
TC/TT444 71587 295 (19.63%)1.03 (0.79–1.33)0.130.848
CC1.5–2.01115194 (17.40%)CC55231039 (18.81%)0.94 (0.81–1.10)0.080.442
TC/TT444 71587 295 (19.63%)0.80 (0.66–0.97)0.100.021
TC/TT<1.0718169 (23.54%)TC/TT444 71587 295 (19.63%)1.21 (1.04–1.41)0.080.012
TC/TT1.0–1.5990239 (24.14%)TC/TT444 71587 295 (19.63%)1.25 (1.10–1.42)0.065.72 × 10−4
TC/TT1.5–2.056591064 (18.80%)TC/TT444 71587 295 (19.63%)0.98 (0.93–1.05)0.030.618

Association of infection in individuals with the CC genotype and a low ANC in contrast to individuals with the CC and TC/TT genotype with a normal ANC (2.0–7.5 × 109/L). Columns represent firstly for low ANC groups: genotype at rs2814778, ANC range, number of subjects in said group and number of infections. The comparative group consisted of individuals with an ANC in the range of 2.0–7.5 × 109/L and columns represent: genotype at rs2814778, number of subjects and number of infections. RR, rate ratio, in reference to low ANC group; SE, standard error; P = association P-value.

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