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(A–E) Positive correlation (r) between preoperative to postoperative change in mJOA score (x-axis) and composite grip strength parameters (y-axis). mJOA, modified Japanese Orthopaedic Association; GSmax, maximum grip strength; GSsust, sustained grip strength; 3JP, three-jaw pinch; KPmax, maximum key pinch; KPsust, sustained key pinch.
