Research Article
Three-Dimensional Morphological Characteristics of Lower Lumbar Intervertebral Foramen with Age
Table 4
The bony boundary area of different age groups at different sagittal slices.
| | | Bong Boundary Area (mm2) | | Young Age Group | Middle Age Group | Old Age Group |
| | L3/4 | Entrance | 216.60±35.13 | 176.91±31.38☆ | 160.52±32.52★ | | Middle Slice | 183.02±43.11 | 150.09±29.32☆ | 139.16±28.01★ | | Exit | 189.66±53.69 | 183.80±42.49 | 158.61±41.52 |
| | L4/5 | Entrance | 195.72±37.32 | 158.10±24.84☆ | 148.94±24.98★ | | Middle Slice | 166.95±35.40 | 143.64±22.20☆ | 131.23±31.58★ | | Exit | 170.22±54.58 | 181.01±36.52 | 174.05±39.18 |
| | L5S1 | Entrance | 166.90±28.17 | 151.94±29.26 | 114.69±37.87★◆ | | Middle Slice | 154.57±22.53 | 136.68±33.17 | 125.37±22.80★ | | Exit | 189.17±27.92 | 182.19±36.97 | 140.72±20.95★◆ |
|
|
☆p<0.05 compared to the young age group ◆p<0.05 compared to the young age group ★p<0.05 compared to middle age group
|
