TABLE 1.
Demographic Information of Patients from 2007 to 2014
| Total Number of ACDFs With Neuromonitoring |
Total Number of ACDFs | P | |
|---|---|---|---|
| Age, yrs* | <0.0001 | ||
| <45 | 408 | 2009 | |
| 45–54 | 752 | 3889 | |
| 55–64 | 648 | 3893 | |
| 65–74 | 656 | 4571 | |
| >75 | 155 | 1137 | |
| Gender | 0.55 | ||
| Female | 1376 | 7981 | |
| Male | 1251 | 7414 | |
| Region | <0.0001 | ||
| Midwest | 449 | 3483 | |
| Northeast | 35 | 216 | |
| South | 1859 | 10,398 | |
| West | 284 | 1299 | |
| Total* | 2627 | 15,395 |
*
The discrepancy between total value and summation of values in the age category is attributed to the transfer of patients between subgroups.