BioMed Research International / 2018 / Article / Fig 4

Research Article

Three-Dimensional Morphological Characteristics of Lower Lumbar Intervertebral Foramen with Age

Figure 4

The results of P-SAP and IPV-SAP grouped with age in different sagittal slices for males. Entrance: entrance slice of intervertebral foramen; exit: exit slice of intervertebral foramen; middle slice: the sagittal slice between the entrance and exit; Y: young aged group; M: middle aged group; O: old age group. p<0.05 between two groups. p<0.01 between two groups.

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