Table 2. Table representing the demographics of the study's second arm.
| Category | NO NAV Anterior | NO NAV Posterior | NAV Anterior |
| Sex (Male:Female) | 21 (4:17) | 26 (5:21) | 25 (7:18) |
| Body Mass Index | 26 | 26 | 25 |
| Age | 66 | 68 | 68 |
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