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Table 3 Incidence of HIZ on lumbar MR images in various body weight groups (n = 637)

From: Factors associated with lumbar disc high-intensity zone (HIZ) on T2-weighted magnetic resonance image: a retrospective study of 3185 discs in 637 patients

Body weight (kg) HIZ Total
Present Absent Incidence rate (%)
< 50 2 29 6.45 31
50–59.5 20 71 21.98 91
60–69.5 70 137 33.82 207
70–79.5 61 122 33.33 183
80–89.5 37 59 38.54 96
> = 90 11 18 37.93 29
  1. χ2 = 16.384, P = 0.006