| SPINAL CANAL (IPD) | SPINAL CORD (TD) | RATIO 2 (R2) | |||
| Min - Max | Mean | Min - Max | Mean | Min ? Max | Mean |
C1 | 22 - 28.6 | 26 ± 1.9 | 11 - 17.7 | 14.63 ± 2.5 | 0.51 - 0.7 | 0.57 ± 0.05 |
C2 | 20 - 26.4 | 22.2 ± 1.8 | 10.4 - 15 | 12.8 ± 1.5 | 0.55 - 0.66 | 0.6 ± 0.04 |
C3 | 20.3 - 24.6 | 22.5 ± 1.2 | 10.4 - 13.6 | 12.3 ± 1.3 | 0.6 - 0.78 | 0.67 ± 0.05 |
C4 | 22.4 - 26.4 | 24. ± 1.2 | 10 - 15.7 | 13.1 ± 1.5 | 0.6 - 0.79 | 0.68 ± 0.05 |
C5 | 22.3 - 27.4 | 24.5 ± 1.8 | 7.7 - 10 | 9 ± 0.6 | 0.61 - 0.8 | 0.7 ± 0.06 |
C6 | 22 - 28.4 | 24.5 ± 1.9 | 11.5 - 16.5 | 13.7 ± 1.5 | 0.6 - 0.75 | 0.67 ± 0.05 |
C7 | 22 - 25.3 | 23.6 ± 1.3 | 10.3 - 17.7 | 13 ± 2.4 | 0.57 - 0.9 | 0.66 ± 0.09 |
General average | 22.2 ± 1.8 - 26 ± 1.9 | 24 ± 1.3 | 9 ± 0.6 - 14.63 ± 2.5 | 12.64 ± 1.77 | 0.57 ± 0.05 - 0.7 ± 0.06 | 0.65 ± 0.04 |