Fc-Gamma Receptor 3B Copy Number Variation Is Not a Risk Factor for Behçet’s Disease

Table 3

Codistribution of FCGR3B copy number variation with clinical features within Behçet’s patients.

		FCGR3B CNV			𝑁	𝑃^1
Clinical Parameter		<2	=2	>2
Onset age: median (interquartile range)		26 (21,36)	26 (21,31)	25 (22,30)	187	0.67
Gender	Male: count (%)	8 (8.2%)	87 (88.8%)	3 (3.1%)	98	0.26
	Female: count (%)	7 (7.9%)	74 (83.1%)	8 (9.0%)	89
HLA-B5	Neg: count (%)	8 (9.3%)	71 (82.6%)	7 (8.1%)	86	0.71
	Pos: count (%)	7 (7.9%)	78 (87.6%)	4 (4.5%)	89
ESR	Normal: count (%)	9 (10.8)	70 (84.3%)	4 (4.8%)	83	0.40
	Elevated: count (%)	4 (4.4%)	80 (88.9%)	6 (6.7%)	90
Genital apthosis^2	No: count (%)	7 (10.8%)	53 (81.5%)	5 (7.7%)	65	0.79
	Yes: count (%)	8 (6.6%)	108 (88.5%)	6 (4.9%)	122
Pseudofolliculitis	No: count (%)	10 (10.0%)	86 (86.0%)	4 (4.0%)	100	0.13
	Yes: count (%)	5 (5.8%)	75 (86.2%)	7 (8.1%)	87
Erythema nodosum	No: count (%)	13 (9.4%)	116 (83.5%)	10 (7.2%)	139	0.98
	Yes: count (%)	2 (4.2%)	45 (93.8%)	1 (2.1%)	48
Arthritis	No: count (%)	13 (8.9%)	126 (86.3%)	7 (4.8%)	146	0.17
	Yes: count (%)	2 (4.9%)	35 (85.4%)	4 (9.8%)	41
Uveitis	No: count (%)	9 (8.3%)	91 (84.3%)	8 (7.4%)	108	0.61
	Yes: count (%)	6 (7.6%)	70 (88.6%)	3 (3.8%)	79
Retinal vasculitis	No: count (%)	9 (7.5%)	104 (86.7%)	7 (5.8%)	120	0.81
	Yes: count (%)	6 (9.0%)	57 (85.1%)	4 (6.0%)	67
Venous thrombosis	No: count (%)	15 (8.6%)	149 (85.6%)	10 (5.8%)	174	0.33
	Yes: count (%)	0 (0%)	12 (92.3%)	1 (7.7%)	13

¹Ordinal 𝑃value (proportional odds ratio).
²All patients had oral apthosis.