Association of primary knee osteoarthritis with DVWA SNP in a group of Egyptian population: a case–control study

Egyptian Journal of Medical Human Genetics

Table 4 Relation between DVWA rs11718863 single nucleotide polymorphism and clinical evaluation of the knee joint in patient group

Clinical evaluation of the knee joint according to the most severe affected joint	DVWA rs11718863 SNP genotype				χ²	P	OR	CI
	AA (n = 35)		AT + TT (n = 15)
	No.	%	No.	%
Effusion
Absent	6	17.1	0	0.0	2.92	0.087	0.629	0.533–0.815
Present	29	82.9	15	100.0	2.92	0.087	0.629	0.533–0.815
Anserine bursitis
Absent	16	45.7	5	33.3	0.661	0.416	0.594	0.168–2.099
Present	19	54.3	10	66.7	0.661	0.416	0.594	0.168–2.099
Baker cyst
Absent	9	25.7	3	27.8	0.188	0.665	0.722	0.165–3.156
Present	26	74.3	12	80.0	0.188	0.665	0.722	0.165–3.156

CI confidence interval, DVWA double Von Willebrand factor domain A, OR odds ratio, P P value for comparison between AA and AT + TT, SNP single nucleotide polymorphism, χ² value of chi-square test, % percentage of patients
*Statistically significant at P ≤ 0.05