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Table 6: 
Spetzler-Martin classification and mRS score before and after embolization in 130 patients with sbAVMs
GradePreprocedural, No. (%)Postprocedural, No. (%)
Spetzler-Martin classification
    I16 (16.31%)34 (33.33%)a
    II34 (26.15%)20 (19.61%)
    III36 (27.69%)28 (27.45%)
    IV30 (23.08%)16 (15.69%)
    V14 (10.77%)4 (3.92%)
mRS
    010 (7.69%)29 (22.31%)a
    179 (60.77%)54 (41.54%)a
    219 (14.62%)20 (15.38%)
    311 (8.46%)11 (8.46%)
    45 (3.85%)12 (9.23%)
    56 (4.62%)3 (2.31%)
    60 (0%)1 (0.77%)
  • Note:—χ2 test.
  • ↵a P < .05, significant difference.