Summary of demographics
| ACDF (n = 10) | CDA (n = 18) | P-value | |
|---|---|---|---|
| Gender distribution (M,F) | 6,4 | 9,9 | 0.71 |
| Age* | 40.3 ± 6.5 | 41.9 ± 9.1 | 0.63 |
| BMI* | 26.2 ± 4.0 | 26.9 ± 4.2 | 0.63 |
| ASA (1,2) | 1,9 | 3,15 | 0.55 |
| Operative time (min)* | 195.7 ± 24.5 | 204.8 ± 24.4 | 0.36 |
| Length of stay (days)* | 1.2 ± 0.4 | 1.4 ± 0.6 | 0.39 |
| Level operated | |||
| C4-5 | 0 | 2 | |
| C5-6 | 7 | 10 | |
| C6-7 | 3 | 6 |
↵* Values given as mean ± standard deviation.