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Table 6: 
Summary of median levels (ML) and total number of levels (NL) of recommended spinal radiation by MRI protocol type
MRI Protocol TypeMLNL
117.10 (0.97)7.63 (1.05)
217.18 (0.96)8.71 (1.02)
317.58 (0.97)8.75 (1.04)
417.04 (0.96)8.74 (1.00)
  • Note:—Values are presented as mean (SE). Differences in means of ML and NL were not statistically significant at pairwise comparisons of any 2 protocol types.