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. 2019 Feb;40(2):260–266. doi: 10.3174/ajnr.A5945

Table 3:

Postoperative Matsushima grading and TTP score improvement (6 months after the operation) indicating that TTP score improvement is correlated with Matsushima grading

Pediatric
Adult
No. of Hemispheres (%) Score Improvement (Mean) No. of Hemispheres (%) Score Improvement (Mean)
Matsushima grade
    A 17 (52) 5.94 ± 3.72 10 (44) 7.40 ± 2.37
    B 10 (30) 3.50 ± 2.83 9 (39) 6.00 ± 2.96
    C 6 (18) 0.17 ± 1.17 4 (17) 3.50 ± 4.73
    Unknowna 8 4.13 ± 2.62 11 5.73 ± 2.69
a

The patients did not undergo postoperative catheter angiography.