From: Association between anterior bone loss and anterior heterotopic ossification in hybrid surgery
Variables | AHO Group | Non-AHO Group | P Value |
---|---|---|---|
No. of patients (n) | 17 | 80 | |
Age (years) | 48.7 ± 7.2 | 48.5 ± 6.8 | 0.927 |
Gender (M/F) | 5 / 12 | 29 / 51 | 0.781 |
BMI (kg/m2) | 24.9 ± 2.8 | 24.2 ± 3.0 | 0.398 |
BMD T value (spine) | 0.2 ± 1.3 | 0.5 ± 1.2 | 0.352 |
Serological indicator | |||
Pre-ALP | 71.6 ± 26.0 | 66.4 ± 18.5 | 0.331 |
Post-ALP | 62.1 ± 21.3 | 59.2 ± 15.8 | 0.521 |
Arthroplasty segment | 0.736 | ||
C3/4 | 0 | 2 | |
C4/5 | 8 | 36 | |
C5/6 | 3 | 21 | |
C6/7 | 6 | 21 | |
Fusion location | 0.591 | ||
Up | 8 | 31 | |
Down | 9 | 49 | |
Operation time (minutes) | 150.0 ± 26.8 | 134.6 ± 24.4 | 0.324 |
Blood loss (ml) | 69.4 ± 48.1 | 66.1 ± 48.0 | 0.799 |
Follow-up time (months) | 37.0 ± 17.3 | 37.7 ± 13.7 | 0.851 |