Table 1.
Baseline characteristics of all patients.
Table 2.
Points of variables according to Spetzler-Martin grading scale and supplementary Spetzler-Martin grading scale.
Table 3.
Characteristics of arteriovenous malformations according to Spetzler-Martin grading scale and supplementary grading scale.
Fig 1.
Graph showing receiver-operating characteristic analyses for the Spetzler-Martin grading system and the supplemented grading system.
Graph showing receiver operating characteristic (ROC) analyses for the weighted point scores of the Spetzler-Martin grading system (green curve), and the supplementary grading system (red curve) (reference line shown in teal). The predictive accuracy of Spetzler-Martin score was similar to supplementary grade (ROC areas, 0.726 and 0.734, respectively, P = .715).
Table 4.
Univariable logistic regression analysis.
Table 5.
Multivariable logistic regression analysis.