Table 3. Paired dimensions of the lumbar vertebrae (n=200) (n=200, statistical analysis - paired ‘t’ test).
| Measurement | On right side | On left side | ‘p’ value |
|---|---|---|---|
| Length of lamina | 11.7±2.1 | 11.3±2.1 | p<0.001 * |
| Height of lamina | 20.8±3.7 | 21.4±3.7 | p<0.001 * |
| Thickness of lamina | 6.3±1.1 | 6.4±1.1 | p>0.05 |
| Height of superior articular facet | 12.5±2.3 | 12.7±2.1 | p>0.05 |
| Width of superior articular facet | 11.8±1.9 | 11.7±1.8 | p>0.05 |
| Width of inferior articular facet | 11.2±1.9 | 11.4±1.8 | p<0.05 * |
| Height of inferior articular facet | 13.4±1.9 | 13.6±2.1 | p>0.05 |
| Diameter of lateral recess | 7.3±1.6 | 7.5±1.5 | p<0.01 * |
| Height of pars inter-articularis | 41.9±3.8 | 41.7±3.7 | p>0.05 |
| Width of pars inter-articularis | 13.4±2.1 | 13.3±2 | p>0.05 |
| Thickness of pars inter-articularis | 8±1.1 | 8.4±1.2 | p<0.001 * |
Measurements are in mm; paired ‘t’ test; statistical significance
p<0.05-significant; p<0.01-moderately significant; p<0.001-highly significant, statistical test used - paired ‘t’ test.