. Author manuscript; available in PMC: 2020 Nov 17.

Published in final edited form as: J Neurosurg. 2019 May 17;132(6):1836–1844. doi: 10.3171/2019.2.JNS182743

TABLE 5.

Multipredictor model of clip usage (n = 287)

Predictor	OR	95% CI	p Value
Embolization	2.61	1.45–4.71	0.001
Age, yrs
<20	Ref
20–40	1.30	0.60–2.78	0.507
>40	1.19	0.55–2.56	0.658
Nidus size, cm
<3	Ref
3–6	3.62	1.86–7.04	<0.001
>6	5.00	0.79–31.72	0.088
Eloquent area	2.73	1.50–4.99	0.001
Venous drainage
Superficial only	Ref
Deep only	1.41	0.63–3.18	0.407
Deep & superficial	1.95	1.00–3.80	0.049
Diffuse nidus	1.69	0.84–3.40	0.141
Ruptured	0.24	0.13–0.45	<0.001