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Table 2: 
Scoring pattern of variables
Patterns 
Clinical findings 
    Age 
    Sex 
Nominal variables ranked by visual inspection of conventional MR imaging 
    Side Left, right
    Site Superficial (only cortical, not in basal ganglia and outside the insula), deep (involves the insula, thalamus,     basal ganglia, or posterior fossa)
    Multi-focality 0 (no),
1 (yes)
    Functional location Noneloquent, near-eloquent, eloquent brain
    Mass effect 0 (not apparent),
1 (deformity of ventricle, no midline shift),
2 (moderate, <5 mm),
3 (significant, >5 mm)
    Edema 0 (not apparent),
1 (<tumor volume),
2 (≥tumor volume)
    Cyst 0 (no),
1 (yes)
    Necrosis 0 (none),
1 (<25% of tumor volume),
2 (25%–50% of tumor volume),
3 (>50% of tumor volume)
    Enhancement 0 (none),
1 (low-to-medium signal intensity),
2 (medium-to-high signal intensity)
    Enhancing margin 0 (well-defined),
1 (none or poorly defined)
    Extent of resection Based on postoperative scans:
0 (total resection),
1 (90%–99%),
2 (20%–89%),
3 (<20%)
Volumes of ROIs 
    ET (neoplastic) 
    NET, including neoplastic, edematous, necrotic, or cystic 
Intensity characteristics of DTI (B0, FA, trace) and rCBV over the 2 ROIs (ET, NET) 
    Mean 
    Minimum 
    Maximum 
    Peak of histogram 
    Variance