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Table 4 Clinical outcome

From: Clinical efficacy of single intraoperative 500 mg methylprednisolone management therapy for thoracic myelopathy caused by ossification of the ligamentum flavum

ItemsMP (n = 47)Non-MP (n = 54)P-Value
mJOA
 Preop4.36 ± 1.714.02 ± 1.840.626
 Postop Immediately6.43 ± 2.504.96 ± 2.000.036
 2-weeks FU7.49 ± 1.936.43 ± 2.490.039
 Final follow-up9.02 ± 1.709.06 ± 1.710.677
mJOA recovery rate (%)
 Final FU70.07 ± 23.3971.15 ± 25.400.949
Frankel grade (A-C)
 Preop40 (85.1%)44 (81.5%)0.791
 Postop Immediately20 (42.3%)35 (64.8%)0.029
 2-weeks FU17 (36.2%)32 (59.3%)0.031
 Final FU13 (27.7%)13 (24.1%)0.820
Duration of FU18.00 ± 3.6917.72 ± 3.510.758
  1. Values are reported as number (percent) or mean ± standard deviation. mJOA modified Japanese orthopedics association. Preop preoperative Postop postoperative, FU follow-up
  2. Significant differences (P < 0.05) are marked in bold