Table 1:

Summary of previous studies about prediction of DCM surgery outcome using DTI

Publications	Correlation Method	Significance	DTI Metrics	Prediction Indexes	Vertebral Levels	Surgery Method
Jones et al, 2013⁹	Spearman	No	FA	mJOA	MC level, C2–C3	Not specified
Wen et al, 2014¹⁵	Spearman	Yes	FA	mJOA recovery rate	Average of C3 to C7	Not specified
Vedantam et al, 2017⁵	Pearson	Yes	FA	ΔmJOA	MC level	Not specified
Maki et al, 2017¹⁶	Spearman	Yes	FA	ΔmJOA, mJOA recovery rate	MC level	Posterior and anterior
Kitamura et al, 2020¹⁷	Spearman	Yes	FA	ΔmJOA, mJOA recovery rate	MC level	Posterior
Shabani et al, 2019¹⁸	Intraclass correlation coefficient	Yes (–)	FA	ΔmJOA	MC level	Not specified
Iwasaki et al, 2019¹⁴	Pearson	No	FA	mJOA	MC level	Posterior and anterior

Note:—(–) indicates negative correlation; ΔmJOA, difference between pre- and postoperative mJOA.