Table 4 Distribution of different KIR numbers and comparisons of KIR numbers between the severe and mild disease groups
KIR genes number | Severe disease n = 198 | Mild disease n = 196 | Severe vs. mild disease |
|---|---|---|---|
N %F | N %F | p-value OR (95% CI) | |
iKIR = 1 | 0 0% | 0 0% | NS |
iKIR = 2 | 2 1% | 4 2% | NS |
iKIR = 3 | 50 25.3% | 62 31.6% | NS |
iKIR = 4 | 80 40.4% | 70 35.7% | NS |
iKIR = 5 | 66 33.3% | 60 30.63% | NS |
aKIR = 1 | 50 25.3% | 30 15.3% | 0.014* 1.650 1.098–2.479 |
aKIR = 2 | 39 19.7% | 31 15.8% | NS |
aKIR = 3 | 40 20.2% | 58 29.6% | 0.031* 0.683 0.481–0.970 |
aKIR = 4 | 33 16.7% | 42 21.4% | NS |
aKIR = 5 | 31 15.7% | 28 14.3% | NS |
aKIR = 6 | 4 2% | 7 3.6% | NS |
aKIRs > iKIRs | 25 12.6% | 42 21.4% | 0.01* 0.530 0.305–0.909 |
iKIRs = aKIRs | 26 13.1% | 31 15.8% | NS |
iKIRs > aKIRs | 147 74.2% | 123 62.8% | 0.01* 1.7 1.11–2.263 |