Table 4. Frequency of KIR3DL1*F, KIR3DL1*004 and KIR3DS1 carriers in AS patients and healthy controls in the Russian Caucasian population.

Alleles	Frequency, % (no. of individuals)		P value	OR (95% CI)
AS (n=83)	Control (n=107)
3DL1*F	75.9% (63)	83.2% (89)	NS	—
3DL1*004	36.1% (30)	31.8% (34)	NS	—
3DS1	51.8% (43)	30.8% (33)	0.03	1.72 (1.08–2.92)

Abbreviations: AS, ankylosing spondylitis; CI, confidence interval; KIR, killer immunoglobulin-like receptor; NS, not significant; OR, odds ratio.