Table 1.
Demographics, operative details and cervical spine curvature of the NO-ALOD and ALOD groups
| NO-ALOD | ALOD | P-value | |
|---|---|---|---|
| Number | 103 | 15 | |
| Mean age (years) | 51.62±10.09 | 52.53±6.61 | >0.05 |
| Sex | |||
| Male | 49 | 6 | >0.05 |
| Female | 54 | 9 | |
| BMI (kg/m2) | |||
| <30 | 60 | 8 | >0.05 |
| >30 | 43 | 7 | |
| Smoking status | |||
| Non-smoker | 79 | 12 | >0.05 |
| Smoker | 24 | 3 | |
| Number of levels | |||
| 1 | 38 | 5 | >0.05 |
| 2 | 45 | 8 | |
| 3 | 20 | 2 | |
| Follow-up period (months) | 37.86±9.47 | 36.80±10.60 | >0.05 |
| CCI | 2.76±1.34 | 3.07±1.22 | >0.05 |
| Curvature of cervical spine | |||
| Lordotic | 74 | 4 | <0.05 |
| Straight | 23 | 6 | |
| Kyphotic | 6 | 5 |
Note:Cervical sagittal parameter measurements.
Abbreviations:ALOD, adjacent-level ossification development; BMI, body mass index; CCI, Charlson comorbidity index.