Table 4. Logistic regression model to predict the occurrence of symptomatic acute encephalitis.

Variable	Exp (β)	95% Confidence interval for exp(B)	P Value
Kir Haplotype
AA	8.38	1.27–55.45	0.027
HLA alleles
HLA- C1	8.92	1.04–76.2	0.046
HLA-A-Bw4	36.7	3.51–382.4	0.003
HLA-B-BW4T	7.98	1.14–56.11	0.037
Interaction KIR and HLA haplotype
2DL2-HLA-C1	0.080	0.007–0.86	0.037
2DL3-HLA-C1	0.032	0.003–0.34	0.004
2DS2-HLA-C1	0.096	0.01–0.72	0.023
3DL1-HLA-A-BW4	43.04	2.57–720.0	0.009