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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Clin Radiol. 2014 Nov 27;70(2):146–152. doi: 10.1016/j.crad.2014.10.009

Figure 2.

Figure 2

Mean and 95% confidence intervals of AP-DSD and TR-DSD at L1 through L5 in 72 control subjects (reader 1). (a) Mean AP-DSD diameter decreases in size moving caudally through the lumbar spine. Variability in AP-DSD is small and does not vary by vertebral level. (b) Mean TR-DSD diameter decreases in size moving caudally through the lumbar spine and variability increases slightly increases.