Table 1 Summary of baseline and surgical characteristics
Variables | All patients (n = 51) |
|---|---|
Gender | |
 Male | 31 (60.8%) |
 Female | 20 (39.2%) |
Age (year) | |
 Mean ± stand. dev | 41.9 ± 16.0 |
BMI (kg/m2) | |
 Mean ± stand. dev | 22.6 ± 3.9 |
KPS score | |
  ≥ 80 | 37 (72.5%) |
 50–70 | 12 (23.5%) |
 0–40 | 2 (3.9%) |
Prior radiation treatment | 4 (7.8%) |
Prior systemic therapy | 20 (39.2%) |
Prior operation | 7 (13.7%) |
ASIA score | |
 A–C | 5 (9.8%) |
 D | 13 (25.5%) |
 E | 33 (64.7%) |
Location | |
 Thoracic | 35 (68.6%) |
 Lumbar | 16 (31.4%) |
Operation segments | |
 Single | 38 (74.5%) |
 Multiple | 13 (25.5%) |
Reconstruction | |
 Customized 3D-printed AVB | 10 (19.6%) |
 Off-the-shelf 3D-printed AVB | 41 (80.4%) |
Surgical type | |
 TES | 45 (88.2%) |
 SES | 6 (11.8%) |
Approach | |
 Single | 35 (68.6%) |
 Combined | 16 (31.4%) |
Surgical time (minutes) | |
 Median (range) | 387 (185–910) |
Intraoperative blood loss (mL) | |
 Median (range) | 1800 (500–7700) |
Length of hospital stay (days) | |
 Median (range) | 19 (7–96) |