Table 2 Baseline demographic and clinical data of the patients
Characteristic | Value | ||
|---|---|---|---|
AAF group | OCF group | p | |
Number of patients | 52 | 44 | Â |
Sex (male/female) | 29/23 | 19/25 | Â |
Average age (years) | 72.4 ± 10.1 | 78.0 ± 8.0 |  |
Average HS (days) | 18.8 ± 26.5 | 16.1 ± 9.3 |  |
BMI (kg/m2) | 27.2 ± 3.9 | 24.7 ± 4.6 |  |
FU (months) | 14.3 | 6.3 | 0.01 |
Average OT (min) | 139.8 | 136.3 | Â |
Blood transfusion (n) | 78 | 57 | Â |
Average PL (NPRS) | 2.0 | 2.9 | Â |
NDI score (%) | 21.4 | 37.4 | Â |
Cervical spine system | |||
 VERTEX SELECT® (n) |  | 24 |  |
 NEON® (n) |  | 20 |  |
Extent of fixation | |||
 C0–C3 (n) |  | 12 |  |
 C0–C4 (n) |  | 22 |  |
 C0–C5 (n) |  | 7 |  |
 C0–C6 (n) |  | 3 |  |
Comorbidities | |||
 Hypertension (n) | 33 | 38 | 0.01 |
 CHD (n) | 13 | 21 | 0.01 |
 Malignancy (n) | 6 | 9 |  |
 T2DM (n) | 4 | 6 |  |
 COPD (n) | 3 | 5 |  |
 Anticoagulation (n) | 21 | 22 |  |
Complication | |||
 Infection/hematoma (n) | 4 | 2 |  |
 Screw dislocation (n) | 5 | 1 |  |
 Persistent instability |  | 2 |  |
 Infection rate (%) | 7.7 | 4.5 |  |
 Revision rate (%) | 17.3 | 13.6 |  |
 Death rate (n/%) | 14/31.8 | 13/25 |  |