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Table 2: 
CR of metastases detected with T1SE and T1IR
SequenceCR, Mean±SD
Tumor to WMTumor to GMTumor to CSF
Pre-EnhancedPostenhancedPre-EnhancedPostenhancedPre-EnhancedPostenhanced
T1SE0.2 ± 0.1*0.6 ± 0.4†0.1 ± 0.1*0.9 ± 0.5†0.9 ± 0.3*2.8 ± 1.1*
T1IR0.3 ± 0.1*0.3 ± 0.2†0.2 ± 0.1*0.7 ± 0.3†2.3 ± 0.8*4.9 ± 1.4*
  • Note:—T1SE indicates T1-weighted spin-echo; T1IR, T1-weighted inversion recovery; CR, contrast ratio; WM, white matter; GM, gray matter.
  • * T1IR is more sensitive (P < .05).
  • † T1SE is more sensitive (P < .05).