. 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 6.

Multipredictor model of worsening mRS score (n = 264)

Predictor	OR	95% CI	p Value
Embolization	0.74	0.36–1.52	0.409
Age, yrs
<20	Ref
20–40	1.30	0.45–3.73	0.629
>40	2.52	0.92–6.93	0.073
Nidus size, cm
<3	Ref
3–6	1.14	0.47–2.76	0.770
>6	2.10	0.19–23.52	0.548
Eloquent area	2.75	1.35–5.59	0.005
Venous drainage
Superficial only	Ref
Deep only	2.31	0.83–6.42	0.110
Deep & superficial	1.77	0.76–4.11	0.186
Diffuse nidus	1.30	0.53–3.15	0.566
Ruptured	0.10	0.04–0.24	<0.001
Log₂ recovery time, yrs^*	0.73	0.61–0.89	0.001

Recovery time is from surgery to last follow-up assessment (set to a 1-year maximum).