Article Figures & Data
Figures
- Figure 1
(A) Measuring interpars distance using manual calipers from the lateral edge of one pars to the lateral edge of the contralateral pars. (B) Measuring spinal canal width using manual calipers from the medial cortex of one pedicle to the medial cortex of the contralateral pedicle.
- Figure 2
Differences in mean pars interarticularis distance among (A) lumbar levels, (B) sex, and (C) race. *Statistically significant (P < 0.05). #Statistically significant (P < 0.01).
- Figure 3
Differences in mean spinal canal width among (A) lumbar levels, (B) sex, and (C) race. *Statistically significant (P < 0.05). #Statistically significant (P < 0.05).
Tables
Sex Race No. of Specimens Age at Time of Death, y, Mean ± SD Male African American 25 25.2 ± 2.8 Caucasian 25 25.6 ± 3.5 Female African American 25 25.4 ± 2.6 Caucasian 18 26.8 ± 2.1 - Table 2
Ratio of pars interarticularis distance to spinal canal width for each vertebral lumbar level.
Lumbar Level Pars Interarticularis Distance/Spinal Canal Width Ratio, Mean ± SD L1 1.17 ± 0.11 L2 1.23 ± 0.09 L3 1.34 ± 0.09 L4 1.49 ± 0.13 L5 1.67 ± 0.18
In this issue
An Anatomic Study Examining Lumbar Pars Interarticularis Distance and Spinal Canal Width in Relation to Lumbar Decompressive Surgery
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