Table 3 Frequency of KIR-HLA combinations, and HLA class-I ligands among patients with lung cancer and healthy controls.

From: KIR-HLA gene diversities and susceptibility to lung cancer

KIR/HLA

Healthy controls

Lung cancer

Lung cancer versus HC

n = 448

n = 232

p value

OR (95% CI)

%F (N + /n)

F% (N + /n)

KIR-binding motif

HLA-C1

74.2 (124/167)

81.5 (53/65)

  

HLA-C2

73.6 (123/167)

72.3 (47.65)

  

HLA-Bw4

62.1 (95/153)

48.1 (25/52)

  

Bw4T80

45.7 (70/153)

44.2 (23/52)

  

Bw4I80

16.3 (25/153)

3.8 (2/52)

0.018

0.2 (0.047–0.9)

HLA-A3/A11

39.2 (31/79)

38.1 (24/63)

  

HLA-A23/24/25/32

49.3 (39/79)

44.4 (28/63)

  

KIR-HLA combination

3DL2 + A3/A11

39.2 (31/79)

38.1 (24/63)

  

2DL1 + C2

71.8 (120/167)

72.3 (47/65)

  

2DL3 + C1

68.8 (115/167)

69.2 (45/65)

  

2DL2 + C1

38.3 (64/167)

55.3 (36/65)

0.026

1.99 (1.11–3.56)

3DL1 + Bw4

62.0 (95/153)

44.2 (23/52)

0.014

0.48 (0.25–0.91)

2DS1 + C2

26.6 (45/169)

27.7 (18/65)

  

2DS2 + C1

34.7 (58/167)

50.8 (33/65)

0.036

1.93 (1.08–3.46)

3DS1 + Bw4

20.2 (31/153)

15.3 (8/52)

  
  1. N+ number of individuals positive for the gene, n number of individuals tested for the gene, HC healthy control, OR odds ratio, CI confidence interval. p < 0.05: statistically significant; based on two-tailed Fisher’s exact test.