Mean and ranges for anesthesia, surgical, and total hospital stay times for multilevel ACDF
| Level | Mean anesthesia time (hours) | Minimum anesthesia time (hours) | Maximum anesthesia time (hours) | Mean surgical time (hours) | Minimum surgical time (hours) | Maximum surgical time (hours) | Mean stay time (hours) | Minimum stay time (hours) | Maximum stay time (hours) |
|---|---|---|---|---|---|---|---|---|---|
| C4-C5 and C5-C6 | 2.2 | 1.7 | 2.7 | 1.5 | 1.2 | 2.0 | 5.0 | 3.5 | 6.8 |
| C5-C6 and C6-C7 | 2.4 | 1.7 | 3.5 | 1.7 | 1.2 | 2.5 | 5.8 | 3.4 | 9.6 |