Table 4.

Unadjusted odds ratios for the likelihood of arteriovenous fistula nonmaturation on the basis of demographic, clinical, vascular, and immune factors

Variable	Unadjusted Odds Ratio	95% Confidence Interval	P Value
Age, per 10 yr increase	0.94	0.71 to 1.25	0.68
Sex, female	3.20	1.47 to 6.95	0.005
Black race	4.49	1.61 to 12.54	0.002
HTN, yes versus no	0.52	0.06 to 4.84	0.55
DM, yes versus no	0.59	0.28 to 1.24	0.16
CAD, yes versus no	1.36	0.45 to 4.07	0.57
CVD, yes versus no	0.59	0.19 to 1.81	0.36
PVD, yes versus no	1.44	0.37 to 5.64	0.59
LVEF <55%, yes versus no	0.95	0.33 to 2.67	0.92
BMI in kg/m2, per 5 point increase, yes versus no	0.96	0.74 to 1.24	0.78
History of solid organ transplant, yes versus no	1.39	0.51 to 3.63	0.51
History of blood transfusion, yes versus no (females only)	0.90	0.42 to 1.92
History of 2 versus 0 pregnancies	4.88	1.06 to 22.38	0.03
Taking immunosuppressant medications, yes versus noa	0.80	0.30 to 1.93	0.62
Current or former tobacco user, yes versus no	0.66	0.30 to 1.45	0.30
Taking anticoagulation, yes versus nob	0.94	0.44 to 1.96	0.8
Upper arm AVF location	0.91	0.42 to 1.96	0.80
Arterial diameter, per 1 mm increase	0.78	0.54 to 1.09	0.15
Venous diameter, per 1 mm increase	0.61	0.37 to 0.95	0.03
Class I PRA, per 10% increase	1.14	0.96 to 1.34	0.12
Class II PRA, per 10% increase	1.27	1.06 to 1.58	0.01

HTN, hypertension; DM, diabetes mellitus; CAD, coronary artery disease; CVD, cerebrovascular disease; PVD, peripheral vascular disease; LVEF, left ventricular ejection fraction; BMI, body mass index; PRA, panel reactive antibodies.

^aImmunosuppressant medications included steroids, calcineurin inhibitors, and mycophenolate mofetil.

^bAnticoagulation included aspirin, warfarin, clopidogrel, and rivaroxaban.