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Correlations between MRI and tissue parameters expressed by values of τ correlation coefficient
Imaging Parameter Hardness Surgical Bleeding Blood Loss Progesterone Receptors Microvessel Density Collagen Content
Time to maximum NS –0.39 NS NS −0.60 0.38
    enhancement (P = .014) (P < .001) (P = .016)
Maximum NS 0.39 0.41 0.46 0.39 −0.37
    enhancement (P = .013) (P = .009) (P = .004) (P = .014) (P = .020)
Maximal intensity NS 0.35 0.39 0.39 0.46 −0.32
    increase (P = .026) (P = .013) (P = .014) (P = .004) (P = .043)
Relative intensity −0.40 0.44 0.42 0.41 NS −0.52
T2 (P = .012) (P = .005) (P = .008) (P = .009) (P = .001)
Relative intensity −0.35 0.49 0.49 0.59 NS −0.54
FLAIR (P = .028) (P = .002) (P = .002) (P < .001) (P < .001)
Note:—FLAIR indicates fluid-attenuated inversion recovery; NS, not significant (P > .05).