Table 1 Characteristics of patients and procedures
Variable | Value |
|---|---|
Age, years | 65.9 ± 8.3 |
Sex | |
Female | 31 (34.0%) |
Male | 16 (66.0%) |
BMI, kg/m2 | 24.9 ± 3.6 |
aCCI | 4.0 ± 1.5 |
Osteopenia/osteoporosis | |
Yes | 21 (44.7%) |
No | 26 (55.3%) |
Estimated blood loss, ml | 605.9 ± 464.1 |
Operative duration, min | 273.8 ± 69.4 |
ASA score | 1.7 ± 0.9 |
Length of stay, days | 14.1 ± 5.4 |
Follow-up, months | 47.8 ± 23.8 |
Blood transfusion | |
Yes | 27 (57.4%) |
No | 20 (42.6%) |
Fused segment | 1.8 ± 0.8 |
Instrumented segment | 5.6 ± 2.8 |
Upper instrumented vertebra | |
T8-T10 | 8 (17.0%) |
T11-L2 | 27 (57.4%) |
L3–L4 | 12 (25.5%) |
Lower instrumented vertebra | |
L4 | 9 (19.1%) |
L5 | 21 (44.7%) |
Sacrum | 17 (36.2%) |