The number of studied patients and the mean follow-up in literature dealing with cervical spine pseudarthrosis.
| Study | No. of Patients | Mean Follow-up |
| Lee et al16 | 89 | 24 mo |
| Tribus et al18 | 16 | 51 mo |
| Ghiselli et al20 | 47 (fusion segments) | 12 mo |
| Zdeblick et al24 | 35 | 44 mo |
| Coric et al25 | 19 | 22.4 mo |
| Phillips et al26 | 48 | Not mentioned |
| The current study | 95 | 52 mo |